ink sac
noun
a large gland in most cephalopods, as the cuttlefish, octopus, and squid, that is near the rectum and ejects ink at predators.
a flexible structure containing ink.
Words nearby ink sac
ink,
ink ball,
ink fountain,
ink in,
ink jet,
ink sac,
ink up,
ink-cap,
ink-jet printing,
inkatha,
inkberry
Example sentences from the Web for ink sac
They are without an ink-sac, and have the foot divided into lobes bearing sheathed tentacles.
The Sea-beach at Ebb-tide |Augusta Foote ArnoldIn certain cases remains of the arms provided with hooks, and of the ink-sac, have been recognized.
The ink-sac, absent in Nautilus, is a rectal caecum developed from its dorsal wall.
The ink taken from the ink-sac of Sepia is an article of commerce.
The Sea-beach at Ebb-tide |Augusta Foote Arnold