Correct

乳头

/ rǔtóu / 
Strokes

Definition

nipple

Example

As a Noun

nipple; teat

1
Rǔtóu
乳头
nèixiàn
内陷

crater nipple; retracted nipple

2
Rǔtóu
乳头
jūnliè
皲裂

cracked nipple

As a Noun

papilla; mammilla

3
Shìshénjīng
视神经
rǔtóu
乳头

optic papilla