/ Dictionary / Index D doohickey: Meaning and Definition of Find definitions for: doo•hick•ey Pronunciation: (d'hik"ē), [key] — pl. -eys. a gadget; dingus; thingumbob. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: doohickey (Thesaurus) doofus dook Related Content Daily Word Quiz: arid Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language