/ Dictionary / Index H hummer: Meaning and Definition of Find definitions for: hum•mer Pronunciation: (hum'ur), [key] — n. a person or thing that hums. humdinger. a hummingbird. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: hummer (Thesaurus) hummable humming Related Content Daily Word Quiz: lyceum Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language