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The pincherlike claw of Crustacea and Arachnida.

A genus of marine amphipod crustacea, which bore into and sometimes destroy timber.

ite amorphous horny substance forming the harder part of the outer integument of insects, crustacea, and various other invertebrates; entomolin.

An order of Crustacea including the barnacles. When adult, they have a calcareous shell composed of several pieces. From the opening of the shell the animal throws out a group of curved legs, looking like a delicate curl, whence the name of the group. See Anatifa.

One of a pair of organs used by the male for grasping the female among many of the Crustacea.

Parsimonious; stingy. "A crusty old fellow, as close as a vise." Hawthorne.

the size of an egg to that of a football; -- called also cobbles. Grose. -- Cob loaf, a crusty, uneven loaf, rounded at top. Wright. -- Cob money, a kind of rudely coined gold and silver money of Spanish South America in the eighteenth century. The coins were of the weight of the piece of eight, or one of its aliquo…

, ignited with alumina; -- called also cobalt ultramarine, and Thenard's blue. -- Cobalt crust, earthy arseniate of cobalt. -- Cobalt glance. (Min.) See Cobaltite. -- Cobalt green, a pigment consisting essentially of the oxides of cobalt and zinc; -- called also Rinman's green. -- Cobalt yellow (Chem.), a yellow cr…

A variety of Cratægus, or hawthorn (C. Crus-galli), having long, straight thorns; -- called also Cockspur thorn.

A casing or crust, or a mold, of pastry, as for a pie. Of the paste a coffin I will rear. Shak.

ng or shrinking together; to have the sides or parts of (a thing) fall in together, or be crushed in together; as, a flue in the boiler of a steam engine sometimes collapses. A balloon collapses when the gas escapes from it. Maunder.

A serpent that kills its prey by inclosing and crushing it with its folds; as, the boa constrictor.

An order of Entomastraca, including many minute Crustacea, both freshwater and marine.

The first joint of the leg of an insect or crustacean.

One of the brachyuran Crustacea. They are mostly marine, and usually have a broad, short body, covered with a strong shell or carapace. The abdomen is small and curled up beneath the body.

The crushing of a child's head, as with the cranioclast or craniotomy forceps in cases of very difficult delivery. Dunglison.

An instrument for crushing the head of a fetus, to facilitate delivery in difficult eases.

To crush with the teeth; to chew with violence and noise; to crunch. Swift.

Any crustacean of the family Astacidæ, resembling the lobster, but smaller, and found in fresh waters. Crawfishes are esteemed very delicate food both in Europe and America. The North American species are numerous and mostly belong to the genus Cambarus. The blind crawfish of the Mamoth Cave is Cambarus pellucidus. The…

To break into pieces; to crush; to grind to powder. See Crase. God, looking forth, will trouble all his host, And craze their chariot wheels. Milton.