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Kotomora

鰾うきぶくろ

う
き
ぶ
く
ろ

Meanings

1

noun

swim bladder; air bladder

The gas-filled organ in fish that controls buoyancy. In everyday contexts, 浮き袋 is the usual term; 鰾 is a specialized or literary kanji.

See also: 浮き袋