/ Dictionary / Index H highchair: Meaning and Definition of Find definitions for: high•chair Pronunciation: (hī'châr"), [key] — n. a tall chair having arms and very long legs and usually a removable tray for food, for use by a very young child during meals. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: highchair (Thesaurus) high-card pool High Church Related Content Daily Word Quiz: clairvoyant Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language