イカの舟ふね

noun

cuttlebone

Refers to the internal shell of a cuttlefish, often used as a calcium supplement for pet birds or for polishing. The term literally means 'squid boat' due to its shape.

See also: イカの甲

• インコのためにイカの舟ふねを買かった。

  I bought a cuttlebone for my parakeet.