kelpie
/ˈkelpɪ/noun
1
- a water spirit of Scottish folklore, typically taking the form of a horse, reputed to delight in the drowning of travellers（苏格兰民间传说中的）水鬼（多显形为马, 据传以溺死过往者为乐）。
2
- a sheepdog of an Australian breed with a smooth coat, originally bred from a Scottish collie澳大利亚牧羊犬。
词源
late 17th cent.: perhaps from Scottish Gaelic cailpeach, colpach 'bullock, colt'. Sense 2 apparently comes from the name of a particular bitch, King's Kelpie （c.1879）.