/ Dictionary / Index H hammerlock: Meaning and Definition of Find definitions for: ham•mer•lock Pronunciation: (ham'ur-lok"), [key] — n. Wrestling. a hold in which one arm of an opponent is twisted and forced upward behind his back. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: hammerlock (Thesaurus) hammerless hammer mill Related Content Daily Word Quiz: coincidence Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language