cuttlebone(redirected from Cuttle-bone)
The calcareous internal shell of a cuttlefish, used as a dietary supplement for cage birds or as a mold for metal casting.
[Middle English cotilbone : codel, cotil, cuttlefish; see cuttlefish + bone, bone; see bone.]
(Zoology) the internal calcareous shell of the cuttlefish, used as a mineral supplement to the diet of cage-birds and as a polishing agent
the calcareous internal shell of cuttlefishes, used to make a polishing powder and as a food and beak conditioner for pet birds.