/ Dictionary / Index P population: Meaning and Definition of Find definitions for: pop•u•la•tion Pronunciation: (pop"yu-lā'shun), [key] — n. the total number of persons inhabiting a country, city, or any district or area. the body of inhabitants of a place: The population of the city opposes the addition of fluorides to the drinking water. the number or body of inhabitants of a particular race or class in a place: the native population; the working-class population. any finite or infinite aggregation of individuals, not necessarily animate, subject to a statistical study. the assemblage of a specific type of organism living in a given area. all the individuals of one species in a given area. the act or process of populating: Population of the interior was hampered by dense jungles. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: population (Thesaurus) populate population explosion Related Content Daily Word Quiz: careening Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language