/ Dictionary / Index U utilidor: Meaning and Definition of Find definitions for: u•til•i•dor Pronunciation: (y-til'i-dôr"), [key] — n. Canadian. an aboveground, insulated network of pipes and cables, used to convey water and electricity in communities situated in areas of permafrost. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Utilicare utilitarian Related Content Daily Word Quiz: frugal Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language