上唇
also: じょうしん
Meanings
1
upper lip
Standard anatomical term for the upper lip in everyday and medical contexts.
She has a habit of biting her upper lip when she's nervous.
I fell and cut my upper lip.
2
labrum
Only with reading じょうしん
Zoological term for the upper lip-like structure in arthropods and other invertebrates. Read as じょうしん in this specialized sense.
The labrum of insects forms part of the mouthparts.
Usage patterns
- 上唇を噛むto bite one's upper lip
He bit his upper lip out of nervousness.
- 上唇が腫れるone's upper lip swells up
I fell and my upper lip swelled up.