一重
1
one layer;single layer
美貌は皮一重。
Beauty is but skin deep.
2
monopetalous
See also:
単弁 (たんべん)
3
4
single-edged eyelid;eyelid with an epicanthic fold;upper eyelid with no fold
See also:
一重まぶた (ひとえまぶた)
Other forms
単 【ひとえ】