乳晕

乳暈
rǔyùn
mammary areola

CEDICT

  1. (anatomy) areola (pigmented circle around the nipple)
  2. areola (pigmented circle around the nipple)

Wiktionary

乳房上乳头周围的圆形区域，颜色较周围皮肤深沉

維基詞典

Entry Composition

1 乳 rǔ
  1. (bound form) breast
  2. (bound form) milk
  3. (bound form) newborn; suckling
2 晕 yùn
  1. dizzy
  2. halo
  3. ring around moon or sun