After counting to a certain number

(mathematics) a positive integer

(colloquial, rhetorical question, sarcastic, humorous) Used as a retort or comeback, often to deprecate oneself or another for excessive concern or attention to detail.

A strategy, in pontoon or blackjack, in which a player keeps a mental tally of the cards played in order to calculate the probability of certain cards being dealt and therefore obtain an advantage.

A magnifying glass used to count the density of threads in a textile

plural of counting glass

present participle of count coup

(mathematical analysis) A positive measure which, for each subset of a given measure space, assigns a value equal to the number of points in that subset.

plural of counting number

plural of counting rod