Bitting

one of the indentations on the bit of a key.
Machinery.

a removable drilling or boring tool for use in a brace, drill press, or the like.
a removable boring head used on certain kinds of drills, as a rock drill.
a device for drilling oil wells or the like, consisting of a horizontally rotating blade or an assembly of rotating toothed wheels.

the mouthpiece of a bridle, having fittings at each end to which the reins are fastened.
anything that curbs or restrains.
the blade or iron of a carpenter’s plane.
the cutting part of an ax or hatchet.
the wide portion at the end of an ordinary key that moves the bolt.
to put a bit in the mouth of (a horse).
to curb or restrain with, or as with, a bit.
to grind a bit on (a key).
take the bit in / between one’s teeth, to cast off control; willfully go one’s own way:
He took the bit in his teeth and acted against his parents’ wishes.
Also called bollard. a strong post of wood or iron projecting, usually in pairs, above the deck of a ship, used for securing cables, lines for towing, etc.
to wrap (a cable) around a bitt to secure it.
simple past tense and a past participle of bite.
Historical Examples

Riding and Driving Edward L. Anderson
Penrod Booth Tarkington
A New Illustrated Edition of J. S. Rarey’s Art of Taming Horses J. S. Rarey
The Horsewoman Alice M. Hayes
Riding and Driving Edward L. Anderson
The Light in the Clearing Irving Bacheller
Riding for Ladies Mrs. Power O’Donoghue
Riding for Ladies Mrs. Power O’Donoghue
South Sea Tales Jack London
Riding for Ladies Mrs. Power O’Donoghue

noun
one of a pair of strong posts on the deck of a ship for securing mooring and other lines
another word for bollard (sense 1)
verb
(transitive) to secure (a line) by means of a bitt
noun
a small piece, portion, or quantity
a short time or distance
(US & Canadian, informal) the value of an eighth of a dollar: spoken of only in units of two: two bits
any small coin
short for bit part
(informal) way of behaving, esp one intended to create a particular impression: she’s doing the prima donna bit
a bit, rather; somewhat: a bit dreary
a bit of

rather: a bit of a dope
a considerable amount: that must take quite a bit of courage

(Brit, slang) a bit of all right, a bit of crumpet, a bit of stuff, a bit of tail, a sexually attractive woman
bit by bit, gradually
(informal) bit on the side, an extramarital affair
do one’s bit, to make one’s expected contribution
(foll by as) every bit, to the same degree: she was every bit as clever as her brother
not a bit, not a bit of it, not in the slightest; not at all
to bits, completely apart: to fall to bits
noun
a metal mouthpiece, for controlling a horse on a bridle
anything that restrains or curbs
take the bit in one’s teeth, take the bit between one’s teeth, have the bit in one’s teeth, have the bit between one’s teeth

to undertake a task with determination
to rebel against control

a cutting or drilling tool, part, or head in a brace, drill, etc
the blade of a woodworking plane
the part of a pair of pincers designed to grasp an object
the copper end of a soldering iron
the part of a key that engages the levers of a lock
verb (transitive) bits, bitting, bitted
to put a bit in the mouth of (a horse)
to restrain; curb
verb
the past tense and (archaic) past participle of bite
noun (maths, computing)
a single digit of binary notation, represented either by 0 or by 1
the smallest unit of information, indicating the presence or absence of a single feature
a unit of capacity of a computer, consisting of an element of its physical structure capable of being in either of two states, such as a switch with on and off positions, or a microscopic magnet capable of alignment in two directions
n.
v.
bit
(bĭt)
The smallest unit of computer memory. A bit holds one of two possible values, either of the binary digits 0 or 1. The term comes from the phrase binary digit. See Note at byte.

Note: The information in a digital computer is stored in the form of bits.

A prison sentence: Ferrati, whose ”bit” was three to seven years (1860+ Underworld)
(also bit part) A small part in a play or other show (1900s+ Theater)
A display of pretended feeling or an outright imitation; act, shtick: So he does his hurt-puppy-dog bit/ You should see my Jimmy Cagney bit (fr theater)
A person’s particular set of attitudes, reactions, behavior patterns, etc; style; lifestyle; thing: Zen never was my real bit (1950s+ Beat & cool talk)

binary digit
built in test

In addition to the idiom beginning with
bit