noun, noun which may take the genitive case particle 'no'
Anatomical term for the pigmented circular area surrounding the nipple.
The size and color of the areola vary from person to person.
Mixed kanji-kana spelling; rarely used. Included as a search variant.
From 乳 (にゅう, 'milk, breast') + 輪 (りん, 'ring, circle'), referring to the circular area around the nipple.