An abstract entity used to describe quantity.
A numeral: a symbol for a non-negative integer.
An element of one of several sets: natural numbers, integers, rational numbers, real numbers, complex numbers, and sometimes extensions such as hypercomplex numbers, etc.
Indicating the position of something in a list or sequence. Abbreviations: No or No., no or no. (in each case, sometimes written with a superscript "o", like Nº or №). The symbol "#" is also used in this manner.
Quantity.
A sequence of digits and letters used to register people, automobiles, and various other items.
(informal) A telephone number.
Of a word or phrase, the state of being singular, dual or plural, shown by inflection.
Poetic metres; verses, rhymes.
A performance; especially, a single song or song and dance routine within a larger show.
(informal) A person.
(informal) An outfit, particularly a stylish one.
(slang) A marijuana cigarette, or joint; also, a quantity of marijuana bought from a dealer.
An issue of a periodical publication.
A large amount, in contrast to a smaller amount; numerical preponderance.
An activity; assignment; job, as in cushy number.

To total or count; to amount to.
To limit to a certain number; to reckon (as by fate) to be few in number.
To count; to determine the quantity of.
To label (items) with numbers; to assign numbers to (items).
To call out and assign a series of numbers (usually to people), either for the sake of dividing into groups or for counting.
To enumerate or list, especially while assigning numbers to.
To classify or include (in a group of things)
To be classified or included (in a certain group or category of things).

comparative form of numb: more numb