/ Dictionary / Index B bull block: Meaning and Definition of Find definitions for: bull' block" Pronunciation: [key] — Metalworking. Metalworking. a machine for drawing wire in which the wire is pulled through the dies by a power-operated drum. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. bull bay bullboat 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