/ Dictionary / Index H haymaker: Meaning and Definition of Find definitions for: hay•mak•er Pronunciation: (hā'mā"kur), [key] — n. a person or machine that cuts hay and spreads it to dry. a punch delivered with great force, esp. one that results in a knockout. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: haymaker (Thesaurus) hayloft Haymarket Related Content Daily Word Quiz: neologism Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language