Definition of: population

(pop′yə·lā′shən) noun
1. The whole number of people in a place or given area; also, any specific portion of that number: the foreign population of New York.
2. The act or process of populating or furnishing with inhabitants; the multiplying of inhabitants.
3. Biol. The total number of individual organisms being studied by statistical or biometric methods. See synonyms under PEOPLE. [<LL populatio, -onis <L populus the people]