菱角
ling4 gok3líng jiǎolíng jiao
English
- water caltrop (Trapa species), aquatic plant with edible seeds
- (old slang) (figurative) 1. Knuckle (of a hand) (this refers to an old slang; "食菱角" (of physical punishment) Hit someone's head with the knuckle of a hand)
Sources: cc-canto, cc-cedict