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せいう
Meanings
Noun
Ornithology
1. contour feather
Alt. forms
正
せい
羽
う
せいう
Pitch accent
⚠
せ
いう
Composed of
せい
(logical) true; regular; 10^40; ten duodecillion; original; positive
う
fifth degree (of the Japanese and Chinese pentatonic scale)