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Urchin :: Urchin (n.) A mischievous elf supposed sometimes to take the form a hedgehog.

Echinoidea :: Echinoidea (n. pl.) The class Echinodermata which includes the sea urchins. They have a calcareous, usually more or less spheroidal or disk-shaped, composed of many united plates, and covered with movable spines. See Spatangoid, Clypeastroid..

Tangle :: Tangle (v.) An instrument consisting essentially of an iron bar to which are attached swabs, or bundles of frayed rope, or other similar substances, -- used to capture starfishes, sea urchins, and other similar creatures living at the bottom of the sea..

Petalosticha :: Petalosticha (n. pl.) An order of Echini, including the irregular sea urchins, as the spatangoids. See Spatangoid..

Galerite :: Galerite (n.) A cretaceous fossil sea urchin of the genus Galerites.

Urchin :: Urchin (n.) One of a pair in a series of small card cylinders, arranged around a carding drum; -- so called from its fancied resemblance to the hedgehog..

Tow-head :: Tow-head (n.) An urchin who has soft, whitish hair..

Corona :: Corona (n.) The shelly skeleton of a sea urchin.

Lithophagous :: Lithophagous (a.) Eating or destroying stone; -- applied to various animals which make burrows in stone, as many bivalve mollusks, certain sponges, annelids, and sea urchins. See Lithodomus..

Lurching :: Lurching (p. pr. & vb. n.) of Lurc.

Semita :: Semita (n.) A fasciole of a spatangoid sea urchin.

Jewstone :: Jewstone (n.) A large clavate spine of a fossil sea urchin.

Sea Egg :: Sea egg () A sea urchin.

Coronal :: Coronal (a.) Of or pertaining to the shell of a sea urchin.

Pluteus :: Pluteus (n.) The free-swimming larva of sea urchins and ophiurans, having several long stiff processes inclosing calcareous rods..

Echinus :: Echinus (n.) A genus of echinoderms, including the common edible sea urchin of Europe..

Urchin :: Urchin (a.) Rough; pricking; piercing.

Rosette :: Rosette (n.) Any structure having a flowerlike form; especially, the group of five broad ambulacra on the upper side of the spatangoid and clypeastroid sea urchins. See Illust. of Spicule, and Sand dollar, under Sand..

Urchin :: Urchin (n.) A pert or roguish child; -- now commonly used only of a boy.

Church :: Church (v. t.) To bless according to a prescribed form, or to unite with in publicly returning thanks in church, as after deliverance from the dangers of childbirth; as, the churching of women..

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