A cuttlefish is a soft sea creature that changes colour and squirts ink. A cuttlefish in the shallows, cuttlefish ink, the cuttlefish flashed.
It changes colour in a fraction of a second with cells in the skin, and it does it while being colourblind, which nobody has fully explained. The white cuttlebone sold for budgerigars is its internal shell, and the ink was the original sepia.
1nouncuttlefishA soft sea creature that changes colour and squirts ink.
“The cuttlefish changed colour to match the rocks and vanished from sight.”
cuttlefish is a sea creature.
Cuttle comes from Old English cudele, the name of the creature, plus fish.
From cuttle + fish.
Etymology from Wiktionary, CC BY-SA