Thanks for using this online dictionary, we have been helping millions of people improve their use of the english language with its free online services. English definition of urchin is as below...

Scrobicula :: Scrobicula (n.) One of the smooth areas surrounding the tubercles of a sea urchin.

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..

Turban-shell :: Turban-shell (n.) A sea urchin when deprived of its spines; -- popularly so called from a fancied resemblance to a turban.

Repkie :: Repkie (n.) Any edible sea urchin.

Sphaeridium :: Sphaeridium (n.) A peculiar sense organ found upon the exterior of most kinds of sea urchins, and consisting of an oval or sherical head surmounting a short pedicel. It is generally supposed to be an olfactory organ..

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..

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..

Paleechinoidea :: Paleechinoidea (n. pl.) An extinct order of sea urchins found in the Paleozoic rocks. They had more than twenty vertical rows of plates. Called also Palaeechini.

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

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

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

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

Spatangus :: Spatangus (n.) A genus of heart-shaped sea urchins belonging to the Spatangoidea.

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

Churching :: Churching (p. pr. & vb. n.) of Churc.

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

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..

Aristotle's Lantern :: Aristotle's lantern () The five united jaws and accessory ossicles of certain sea urchins.

Sea Hedgehog :: Sea hedgehog () A sea urchin.

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

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