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Pertaining to, or of the nature of, crust or shell; having a crustlike shell.

The state or quality of being crustaceous or having a crustlike shell.

Half crustaceous; partially crustaceous.

Occurring beneath a crust or scab; as, a subcrustaceous cicatrization.

Without claws on the feet (of crustaceous animals).

An interstice or small space, as between the cracks of the surface in certain crustaceous lichens; or as between the fibers composing organs or vessels that interlace; or as between the nervures of an insect's wing.

hick shell or sheild which cover the back of the tortoise, or turtle, the crab, and other crustaceous animals.

Of or pertaining to the Crustacea; crustaceous. -- n.

A name for certain crustaceous marine algæ which secrete carbonate of lime on their surface, and were formerly thought to be of animal nature. They are now considered corallines of the genera Melobesia and Lithothamnion.

Of or pertaining to an oyster, or to a shell; shelly. The crustaceous or ostreaceous body. Cudworth.

ring consists of a shell, either testaceous, as in oysters, clams, and other mollusks, or crustaceous, as in lobsters and crabs.

), animals having a firm, calcareous shell, as oysters and clams, thus distinguished from crustaceous animals, whose shells are more thin and soft, and consist of several joints, or articulations, as lobsters and crabs.