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 spicule is as below...

Sclerite :: Sclerite (n.) A hard chitinous or calcareous process or corpuscle, especially a spicule of the Alcyonaria..

Anchor :: Anchor (n.) One of the anchor-shaped spicules of certain sponges; also, one of the calcareous spinules of certain Holothurians, as in species of Synapta..

Spicule :: Spicule (n.) Same as Spicula.

Spiculigenous :: Spiculigenous (a.) Producing or containing spicules.

Spink :: Spinii-spirulate (a.) Having spines arranged spirally. See Spicule.

Hexactinelline :: Hexactinelline (a.) Belonging to the Hexactinellinae, a group of sponges, having six-rayed siliceous spicules..

Spiculate :: Spiculate (a.) Covered with, or having, spicules..

Tetractinellida :: Tetractinellida (n. pl.) A division of Spongiae in which the spicules are siliceous and have four branches diverging at right angles. Called also Tetractinellinae.

Spongiopilin :: Spongiolite (n.) One of the microsporic siliceous spicules which occur abundantly in the texture of sponges, and are sometimes found fossil, as in flints..

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..

Calcispongiae :: Calcispongiae (n. pl.) An order of marine sponges, containing calcareous spicules. See Porifera..

Glass-sponge :: Glass-sponge (n.) A siliceous sponge, of the genus Hyalonema, and allied genera; -- so called from their glassy fibers or spicules; -- called also vitreous sponge. See Glass-rope, and Euplectella..

Spicule :: Spicule (n.) Any small calcareous or siliceous body found in the tissues of various invertebrate animals, especially in sponges and in most Alcyonaria..

Tricurvate :: Tricurvate (a.) Curved in three directions; as, a tricurvate spicule (see Illust. of Spicule)..

Tetraxile :: Tetraxile (a.) Having four branches diverging at right angles; -- said of certain spicules of sponges.

Radiolaria :: Radiolaria (n. pl.) Order of rhizopods, usually having a siliceous skeleton, or shell, and sometimes radiating spicules. The pseudopodia project from the body like rays. It includes the polycystines. See Polycystina..

Halichondriae :: Halichondriae (n. pl.) An order of sponges, having simple siliceous spicules and keratose fibers; -- called also Keratosilicoidea..

Sexradiate :: Sexradiate (a.) Having six rays; -- said of certain sponge spicules. See Illust. of Spicule.

Spiculispongiae :: Spiculispongiae (n. pl.) A division of sponges including those which have independent siliceous spicules.

Amphidisc :: Amphidisc (n.) A peculiar small siliceous spicule having a denticulated wheel at each end; -- found in freshwater sponges.

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