Clypeastroid
Clypeastroid Clyp`e*as"troid, a. [NL. Clypeaster (L. clupeus shield + aster star) + -oid.] (Zo["o]l.) Like or related to the genus {Clupeaster}; -- applied to a group of flattened sea urchins, with a rosette of pores on the upper side. [1913 Webster]

The Collaborative International Dictionary of English. 2000.

Look at other dictionaries:

  • clypeastroid — clyp·e·as·troid …   English syllables

  • clypeastroid — I. | ̷ ̷ ̷ ̷|aˌstrȯid adjective Etymology: New Latin Clypeastroida : of or relating to the Clypeastrina II. noun ( s) : one of the Clypeastrina : cake urchin …   Useful english dictionary

  • Echinidea — Echinoidea Ech i*noi de*a, n. pl. [NL. See {Echinus}, and { oid}.] (Zo[ o]l.) The class Echinodermata which includes the sea urchins. They have a calcareous shell, usually more or less spheroidal or disk shaped, composed of many united plates,… …   The Collaborative International Dictionary of English

  • Echinoida — Echinoidea Ech i*noi de*a, n. pl. [NL. See {Echinus}, and { oid}.] (Zo[ o]l.) The class Echinodermata which includes the sea urchins. They have a calcareous shell, usually more or less spheroidal or disk shaped, composed of many united plates,… …   The Collaborative International Dictionary of English

  • Echinoidea — Ech i*noi de*a, n. pl. [NL. See {Echinus}, and { oid}.] (Zo[ o]l.) The class Echinodermata which includes the sea urchins. They have a calcareous shell, usually more or less spheroidal or disk shaped, composed of many united plates, and covered… …   The Collaborative International Dictionary of English

  • Keyhole — Key hole , n. 1. A hole or apertupe in a door or lock, for receiving a key. [1913 Webster] 2. (a) (Carp.) A hole or excavation in beams intended to be joined together, to receive the key which fastens them. (b) (Mach.) a mortise for a key or… …   The Collaborative International Dictionary of English

  • Keyhole limpet — Keyhole Key hole , n. 1. A hole or apertupe in a door or lock, for receiving a key. [1913 Webster] 2. (a) (Carp.) A hole or excavation in beams intended to be joined together, to receive the key which fastens them. (b) (Mach.) a mortise for a key …   The Collaborative International Dictionary of English

  • Keyhole saw — Keyhole Key hole , n. 1. A hole or apertupe in a door or lock, for receiving a key. [1913 Webster] 2. (a) (Carp.) A hole or excavation in beams intended to be joined together, to receive the key which fastens them. (b) (Mach.) a mortise for a key …   The Collaborative International Dictionary of English

  • Keyhole urchin — Keyhole Key hole , n. 1. A hole or apertupe in a door or lock, for receiving a key. [1913 Webster] 2. (a) (Carp.) A hole or excavation in beams intended to be joined together, to receive the key which fastens them. (b) (Mach.) a mortise for a key …   The Collaborative International Dictionary of English

  • Rosette — Ro*sette, n. [F., dim. of rose a rose. Cf. {Roset}.] 1. An imitation of a rose by means of ribbon or other material, used as an ornament or a badge. [1913 Webster] 2. (Arch.) An ornament in the form of a rose or roundel, much used in decoration.… …   The Collaborative International Dictionary of English

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