1.
single layer, one fold
A single layer or fold of something, as opposed to double or multiple layers.
2.
single eyelid (monolid)
An eyelid without a visible crease, common among East Asians. Short for 一重まぶた.
Sense 2 - eyelid usage
In beauty and cosmetics contexts, 一重 is commonly used alone to mean 一重まぶた (single/monolid eyelid), contrasted with 二重 (double eyelid with visible crease).
Common collocations
Similar words
- 一重: single layer/fold, monolid
- 二重: double layer/fold, double eyelid
- 八重: multi-layered (especially for flowers like 八重桜)
Cultural note
In Japan, both 一重 and 二重 eyelids are considered attractive. There is significant beauty industry focus on eyelid appearance, with products to create temporary double eyelid folds available.