蚶きさ

noun

blood clam (Scapharca broughtonii)

Archaic term for the blood clam, now almost entirely replaced by 赤貝 (あかがい). Found only in historical or classical contexts.

See also: 赤貝

• 古ふるい文ぶん献けんでは、蚶きさは赤あか貝がいを指さすとされる。

  In old documents, 蚶 (きさ) is said to refer to the blood clam.