buttonhook
/ˈbʌtənhʊk/noun
1
- a small hook with a long handle for fastening tight buttons (often formerly on buttoned boots)纽扣钩。
2
- American Football a play in which a pass receiver runs straight downfield and then doubles back sharply towards the line of scrimmage【美橄】（接球手）突然后转身进攻。