下した唇くちびる

also: かしん

し

た

く

ち

び

る

Meanings

1

lower lip

Refers to the lower lip in anatomy, everyday speech, and expressions.

下した唇くちびるが乾かん燥そうしてひび割われた。

My lower lip got dry and chapped.

下した唇くちびるを噛かむto bite one's lower lip (in frustration or nervousness)
彼かの女じょは悔くやしさで下した唇くちびるを噛かんだ。
She bit her lower lip in frustration.
下した唇くちびるを突つき出だすto stick out one's lower lip (in a pout)
子こ供どもは不ふ満まんそうに下した唇くちびるを突つき出だした。
The child stuck out his lower lip, looking dissatisfied.

唇くちびるN3
唇 is the general word for 'lips' as a whole, while 下唇 specifically names just the lower lip.

下した顎あご
下顎 means 'lower jaw', a different facial part that learners sometimes confuse with 下唇 (lower lip) because both start with 下.

下唇Usage100%
- したくちびる
  Standard kanji spelling; the reading したくちびる is the most common.
- かしん
  Rare Sino-Japanese reading, mainly encountered in medical or formal contexts.
かしん

Compound of 下 (lower) and 唇 (lip). The reading したくちびる is a native Japanese reading, while かしん is the Sino-Japanese reading.