/ Dictionary / Index H hemidemisemiquaver: Meaning and Definition of Find definitions for: hem•i•dem•i•sem•i•qua•ver Pronunciation: (hem"ē-dem"ē-sem'ē-kwā"vur), [key] — n. Music. Chiefly Brit. a sixty-fourth note. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: hemidemisemiquaver (Thesaurus) hemicyclium hemielytron Related Content Daily Word Quiz: fabricate Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language