English Dictionary

ink sac

名詞

(zoology) A muscular bag found in certain cephalopods used to generate ink.

日本語の意味

（動物学）イカやタコなどの頭足類に見られる、墨を生成・放出するための筋肉質な嚢

When threatened, the octopus constricted its ink sac and released a dark cloud to obscure the reef.

危険を感じると、そのタコは墨嚢を収縮させ、暗い墨の雲を放ってサンゴ礁を覆い隠した。

意味（1）

(zoology) A muscular bag found in certain cephalopods used to generate ink.

The ink sac feeds into the rectum, controlled by a sphincter and in some inking events mucus from another organ, the funnel organ is ejected with water and ink through the anus and the siphon to create a cloud of ink.

ink sacs （ plural ）