thresher
/ˈθreʃə(r)/noun
1
- a person or machine that separates grain from corn or other crops by beating打谷者; 脱粒机, 脱谷机。
2
- （亦作thresher shark）a surface-living shark with a long upper lobe to the tail. Threshers often hunt in pairs, lashing the water with their tails to herd fish into a tightly packed shoal.狐形长尾鲨。
2.1
- Alopias vulpinus, family Alopidae.拉丁名Alopias vulpinus,长尾鲨科。