hickey
/ˈhɪkɪ/noun
(pl. -eys)
1
- N. Amer. informal a gadget〈北美, 非正式〉小机械, 小装置, 小玩意。
2
- a blemish in printing, especially an uninked area in a solid, caused by a piece of dirt（印刷中的）瑕疵（尤指灰尘引起的未着墨的地方）。
2.1
- N. Amer. informal a skin blemish, especially a mark caused by a love bite〈北美, 非正式〉（尤指吻后留下的）皮肤上的印痕。
词源
early 20th cent.: of unknown origin.