noun
upper lip; area under the nose
Anatomical term for the region between the nose and the upper lip. In everyday language, 上唇 (うわくちびる) is more common for 'upper lip'.
鼻下に汗をかく。
I sweat on the area under my nose.
noun which may take the genitive case particle 'no'
subnasal; under the nose
Used attributively in medical or anatomical contexts, e.g., 鼻下点 (subnasale).
鼻下点は頭部計測の基準点の一つだ。
The subnasale is one of the reference points in cephalometry.