/ Dictionary / Index A armhole: Meaning and Definition of Find definitions for: arm•hole Pronunciation: (ärm'hōl"), [key] — n. an opening in a garment, for the arm. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: armhole (Thesaurus) armguard armiger Related Content Daily Word Quiz: digression Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language