/ Dictionary / Index H hair cell: Meaning and Definition of Find definitions for: hair' cell" Pronunciation: [key] — Biol. Biol. an epithelial cell having hairlike processes, as that of the organ of Corti. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. hairbrush cactus haircloth Related Content Daily Word Quiz: sequester Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language