#1 population n. the people who inhabit a territory or state; "the population seemed to be well fed and clothed". wn
#2 population n. a group of organisms of the same species inhabiting a given area; "they hired hunters to keep down the deer population". wn
#3 population n. [universe] (statistics) the entire aggregation of items from which samples can be drawn; "it is an estimate of the mean of the population". wn
#4 population n. the number of inhabitants (either the total number or the number of a particular race or class) in a given place (country or city etc.); "people come and go, but the population of this town has remained approximately constant for the past decade"; "the Af. wn
#5 population n. the act of populating (causing to live in a place); "he deplored the population of colonies with convicted criminals". wn
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