/ Dictionary / Index B blockhead: Meaning and Definition of Find definitions for: block•head Pronunciation: (blok'hed"), [key] — n. a stupid, doltish person; dunce. a piece of wood in the shape of a head, used as a block for hats or wigs. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: blockhead (Thesaurus) block grant block heater 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