ink sac
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English[edit]
Etymology[edit]
Noun[edit]
- (zoology) A muscular bag found in certain cephalopods used to generate ink.
- 2017 August 9, Mark Carnall, The Guardian[1]:
- 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.