Breadcrumb Home > Dictionary > Index C custodian: Meaning and Definition of Find definitions for: cus•to•di•an Pronunciation: (ku-stō'dē-un), [key] — n. a person who has custody; keeper; guardian. a person entrusted with guarding or maintaining a property; janitor. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: custodian (Thesaurus) custodial custody TrendingHere are the facts and trivia that people are buzzing about. The Book of Philippians: Summary Current Events This Week: May 2023 Preamble of the United Nations Charter Queen Victoria Books of the Bible: New Testament Books in Order The 88 Recognized Constellations ✖ Related Content Daily Word Quiz: panache Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language