hacksawEnglishOxford New American Dictionaryhacksaw /ˈhakˌsô, ˈhækˌsɔ / ▸ noun a saw with a narrow fine-toothed blade set in a frame, used especially for cutting metal. ▸ verb (past participle hacksawn or hacksawed) [with object] cut (something) using a hacksaw: the bolt has now been hacksawed through.