/ Dictionary / Index T thingamabob: Meaning and Definition of Find definitions for: thing•a•ma•bob Pronunciation: (thing'u-mu-bob"), [key] — n. Informal. thingamajig. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: thingamabob (Thesaurus) thing thingamajig Related Content Daily Word Quiz: clairvoyant Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language