/ Dictionary / Index P peacekeeper: Meaning and Definition of Find definitions for: peace•keep•er Pronunciation: (pēs'kē"pur), [key] — n. a person who maintains or restores peace and amity; mediator: Mother was the peacekeeper in our family. a soldier, military force, etc., deployed to maintain or restore peace: American marines sent abroad as peacekeepers. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: peacekeeper (Thesaurus) peaceful coexistence peacekeeping Related Content Daily Word Quiz: opulent Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language