ひだ
hida

Noun

1. fold; pleat; gathers; tuck

Usually Written in Kana
Noun

2. folds (e.g. of a mountain); crease

Usually Written in Kana
Noun

3. (hidden) detail; nuance; shade; wrinkle (e.g. in logic)

Usually Written in Kana
Noun

4. lamella; gill (of a mushroom)

Usually Written in Kana