hammer 2022.12.06 hammerとは 意味・定義・例文 Noun 名詞 1. a tool that is made from a heavy metal head fixed onto the end of long wooden handle, used for hitting nails ハンマー, 金づち drive a nail with a hammer Verb 動詞 1. hit something with a hammer ~をハンマーで打つ Hammer the nail here.