/ Dictionary / Index H hair net: Meaning and Definition of Find definitions for: hair' net" Pronunciation: [key] a cap of loose net, as of silk or nylon, for holding the hair in place. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: hairnet (Thesaurus) hairline hairpiece Related Content Daily Word Quiz: spectral Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language