/ Dictionary / Index A Allen wrench: Meaning and Definition of Find definitions for: Al'len wrench" Pronunciation: [key] a wrench for Allen screws, formed from a piece of hexagonal bar stock bent to a right angle. See illus. under Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Allentown Alleppey Related Content Daily Word Quiz: confectionery Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language