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1. Zoology A hard bony or chitinous outer covering, such as the fused dorsal plates of a turtle or the portion of the exoskeleton covering the head and thorax of a crustacean.
2. A protective, shell-like covering likened to that of a turtle or crustacean: "He used to worry that Sarah would age the same way, develop the same brittle carapace" (Anne Tyler).
[French, from Spanish carapacho.]
(Zoology) the thick hard shield, made of chitin or bone, that covers part of the body of crabs, lobsters, tortoises, etc
[C19: from French, from Spanish carapacho, of unknown origin]
a bony or chitinous shield, test, or shell covering some or all of the dorsal part of an animal, as of a turtle.
[1830–40; < French < Sp carapacho]
A hard outer covering or shell made of bone or chitin on the back of animals such as turtles, armadillos, lobsters, and crabs.
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|Noun||1.||carapace - hard outer covering or case of certain organisms such as arthropods and turtles|
turtle - any of various aquatic and land reptiles having a bony shell and flipper-like limbs for swimming
arthropod - invertebrate having jointed limbs and a segmented body with an exoskeleton made of chitin
cuticula - the outer body wall of an insect
scute - large bony or horny plate as on an armadillo or turtle or the underside of a snake
mollusc, mollusk, shellfish - invertebrate having a soft unsegmented body usually enclosed in a shell
shell - the material that forms the hard outer covering of many animals