1. 乳头
The nipples on someone's body are the two small pieces of slightly hard flesh on their chest. Babies suck milk from their mothers' breasts through their mothers' nipples.

2. (橡皮或塑料)奶嘴
A nipple is a piece of rubber or plastic which is fitted to the top of a baby's bottle.

1. a flexible cap on a baby's feeding bottle or pacifier

2. the small projection of a mammary gland

Synonym: mammillamamillapapteattit