21’s
[twen-tee-wuhn, twuhn-] /ˈtwɛn tiˈwʌn, ˈtwʌn-/
noun
a cardinal number, 20 plus 1.
a symbol for this number, as 21 or xxi.
a set of this many persons or things.
also, 21. also called blackjack. a gambling game at cards, in which the object is to obtain from the dealer cards whose values add up to, or close to, 21 but which do not exceed it.
adjective
amounting to 21 in number.
twenty-one
noun
another name (esp us) for pontoon2 (sense 1)
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[twen-tee-fawr sev-uh n, ‐fohr‐, twuhn-tee‐] /ˈtwɛn tiˌfɔr ˈsɛv ən, ‐ˌfoʊr‐, ˈtwʌn ti‐/ adverb continually; constantly: they’re together 24/7. adjective continual; constant: the manufacturer offers 24/7 customer support. also, 24‐7, 24×7, twenty-four seven. twenty-four hours a day, seven days a week: “this convenience store is open 24/7.” the term, which also appears as “24-7,” can be […]