gav·el
noun/ˈɡævl/
/ˈɡævl/
- a small hammer used by a person in charge of a meeting or an auction, or by a judge in court, in order to get people’s attention
（会议主席、拍卖商或法官用的）小槌 Word Originearly 19th cent. (originally US in the sense ‘stonemason's mallet’): of unknown origin.