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[nuhm-ber] /ˈnʌm bər/

noun
1.
a numeral or group of numerals.
2.
the sum, total, count, or aggregate of a collection of units, or the like:
A number of people were hurt in the accident. The number of homeless children in the city has risen alarmingly.
3.
a word or symbol, or a combination of words or symbols, used in counting or in noting a total.
4.
the particular numeral assigned to an object so as to designate its place in a series:
house number; license number.
5.
one of a series of things distinguished by or marked with numerals.
6.
a certain collection, company, or quantity not precisely reckoned, but usually considerable or large:
I’ve gone there a number of times.
7.
the full count of a collection or company.
8.
a collection or company.
9.
a quantity of individuals:
Their number was more than 20,000.
10.
numbers.

11.
quantity as composed of units:
to increase the number of eligible voters.
12.
numerical strength or superiority; complement:
The garrison is not up to its full number.
13.
a tune or arrangement for singing or dancing.
14.
a single or distinct performance within a show, as a song or dance:
The comic routine followed the dance number.
15.
a single part of a program made up of a group of similar parts:
For her third number she played a nocturne.
16.
any of a collection of poems or songs.
17.
a distinct part of an extended musical work or one in a sequence of compositions.
18.
conformity in music or verse to regular beat or measure; rhythm.
19.
a single part of a book published in a series of parts.
20.
a single issue of a periodical:
several numbers of a popular magazine.
21.
a code of numerals, letters, or a combination of these assigned to a particular telephone:
Did you call the right number?
22.
Grammar. a category of noun, verb, or adjective inflection found in many languages, as English, Latin, and Arabic, used to indicate whether a word has one or more than one referent. There may be a two-way distinction in number, as between singular and plural, three-way, as between singular, dual, and plural, or more.
23.
Informal. person; individual:
the attractive number standing at the bar.
24.
Informal. an article of merchandise, especially of wearing apparel, offered for sale:
Put those leather numbers in the display window.
25.
mathematics regarded as a science, a basic concept, and a mode of thought:
Number is the basis of science.
verb (used with object)
26.
to mark with or distinguish by numbers:
Number each of the definitions.
27.
to amount to or comprise in number; total:
The manuscript already numbers 425 pages.
28.
to consider or include in a number:
I number myself among his friends.
29.
to count over one by one; tell:
to number one’s blessings.
30.
to mention individually or one by one; enumerate:
They numbered the highlights of their trip at length.
31.
to set or fix the number of; limit in number; make few in number:
The sick old man’s days are numbered.
32.
to live or have lived (a number of years).
33.
to ascertain the number of; count.
34.
to apportion or divide:
The players were numbered into two teams.
verb (used without object)
35.
to make a total; reach an amount:
Casualties numbered in the thousands.
36.
to be numbered or included (usually followed by among or with):
Several eminent scientists number among his friends.
37.
to count.
Idioms
38.
by the numbers,

39.
do a number on, Slang.

40.
do one’s number,

41.
get / have someone’s number, Informal. to become informed about someone’s real motives, character, intentions, etc.:
He was only interested in her fortune, but she got his number fast.
42.
have one’s number on it, Slang. to be thought of as the instrument of fate in the death of a person:
That bullet had his number on it.
43.
one’s number is (was, will be) up, Slang.

44.
without number, of unknown or countless number; vast:
stars without number.
/ˈnʌmbə/
noun
1.
a concept of quantity that is or can be derived from a single unit, the sum of a collection of units, or zero. Every number occupies a unique position in a sequence, enabling it to be used in counting. It can be assigned to one or more sets that can be arranged in a hierarchical classification: every number is a complex number; a complex number is either an imaginary number or a real number, and the latter can be a rational number or an irrational number; a rational number is either an integer or a fraction, while an irrational number can be a transcendental number or an algebraic number See complex number, imaginary number, real number, rational number, irrational number, integer, fraction, transcendental number, algebraic number See also cardinal number, ordinal number
2.
the symbol used to represent a number; numeral
3.
a numeral or string of numerals used to identify a person or thing, esp in numerical order: a telephone number
4.
the person or thing so identified or designated: she was number seven in the race
5.
the sum or quantity of equal or similar units or things: a large number of people
6.
one of a series, as of a magazine or periodical; issue
7.

8.
a group or band of people, esp an exclusive group: he was not one of our number
9.
(slang) a person, esp a woman: who’s that nice little number?
10.
(informal) an admired article, esp an item of clothing for a woman: that little number is by Dior
11.
(slang) a cannabis cigarette: roll another number
12.
a grammatical category for the variation in form of nouns, pronouns, and any words agreeing with them, depending on how many persons or things are referred to, esp as singular or plural in number and in some languages dual or trial
13.
any number of, several or many
14.
(military) by numbers, (of a drill procedure, etc) performed step by step, each move being made on the call of a number
15.
(US, slang) do a number on someone, to manipulate or trick someone
16.
(informal) get someone’s number, have someone’s number, to discover someone’s true character or intentions
17.
in numbers, in large numbers; numerously
18.
(Brit, informal) one’s number is up, one is finished; one is ruined or about to die
19.
without number, beyond number, of too great a quantity to be counted; innumerable
verb (mainly transitive)
20.
to assign a number to
21.
to add up to; total
22.
(also intransitive) to list (items) one by one; enumerate
23.
(also intransitive) to put or be put into a group, category, etc: they were numbered among the worst hit
24.
to limit the number of: his days were numbered
n.

c.1300, “sum, aggregate of a collection,” from Anglo-French noumbre, Old French nombre and directly from Latin numerus “a number, quantity,” from PIE root *nem- “to divide, distribute, allot” (related to Greek nemein “to deal out;” see nemesis). Meaning “symbol or figure of arithmatic value” is from late 14c. Meaning “single (numbered) issue of a magazine” is from 1795. The meaning “musical selection” (1885) is from vaudeville theater programs, where acts were marked by a number. Meaning “dialing combination to reach a particular telephone receiver” is from 1879; hence wrong number (1886).

Number one “oneself” is from 1704 (mock-Italian form numero uno attested from 1973); the biblical Book of Numbers (c.1400, Latin Numeri, Greek Arithmoi) so called because it begins with a census of the Israelites. Slang number one and number two for “urination” and “defecation” attested from 1902. Number cruncher is 1966, of machines; 1971, of persons. To get or have (someone’s) number “have someone figured out” is attested from 1853. The numbers “illegal lottery” is from 1897, American English.
v.

c.1300, “to count,” from Old French nombrer “to count, reckon,” from nombre (n.) “number” (see number (n.)). Meaning “to assign a number to” is late 14c.; that of “to ascertain the number of” is from early 15c. Related: Numbered; numbering.

number num·ber (nŭm’bər)
n.

number
(nŭm’bər)

The grammatical category that classifies a noun, pronoun, or verb as singular or plural. Woman, it, and is are singular; women, they, and are are plural.

noun

Related Terms

back number, by the numbers, do a number on, do one’s number, have someone’s number, hot number

[merchandise sense fr the model number that most retail items have]
In addition to the idiom beginning with
number