Definition of "haymaker" in English

noun

1. (agriculture) A person or machine which harvests or prepares tall grass for use as animal fodder.

2. (informal, fisticuffs) A particularly powerful punch, especially one which knocks down an opponent, thrown like a scythe chop for cutting hay, as agricultural haymakers used to have strong arms.

3. (figuratively, by extension) Any decisive blow, shock, or forceful action.