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Calcar :: Calcar (n.) A slender bony process from the ankle joint of bats, which helps to support the posterior part of the web, in flight..

Calcar :: Calcar (n.) A spur, or spurlike prominence..

Lates :: Lates (n.) A genus of large percoid fishes, of which one species (Lates Niloticus) inhabits the Nile, and another (L. calcarifer) is found in the Ganges and other Indian rivers. They are valued as food fishes..

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..

Hippocampus :: Hippocampus (n.) A name applied to either of two ridges of white matter in each lateral ventricle of the brain. The larger is called hippocampus major or simply hippocampus. The smaller, hippocampus minor, is called also ergot and calcar..

Proostracum :: Proostracum (n.) The anterior prolongation of the guard of the phragmocone of belemnites and allied fossil cephalopods, whether horny or calcareous. See Illust. of Phragmocone..

Coralline :: Coralline (n.) A submarine, semicalcareous or calcareous plant, consisting of many jointed branches..

Synaptase :: Synapta (n.) A genus of slender, transparent holothurians which have delicate calcareous anchors attached to the dermal plates. See Illustration in Appendix..

Calcar :: Calcar (n.) A curved ridge in the floor of the leteral ventricle of the brain; the calcar avis, hippocampus minor, or ergot..

Calcareo-argillaceous :: Calcareo-argillaceous (a.) consisting of, or containing, calcareous and argillaceous earths..

Phlebolith :: Phlebolith (n.) A small calcareous concretion formed in a vein; a vein stone.

Corneocalcareous :: Corneocalcareous (a.) Horny on one side and calcareous on the other.

Epiphragm :: Epiphragm (n.) A membranaceous or calcareous septum with which some mollusks close the aperture of the shell during the time of hibernation, or aestivation..

Otolite :: Otolite (n.) One of the small bones or particles of calcareous or other hard substance in the internal ear of vertebrates, and in the auditory organs of many invertebrates; an ear stone. Collectively, the otoliths are called ear sand and otoconite..

Coccolith :: Coccolith (n.) One of a kind of minute, calcareous bodies, probably vegetable, often abundant in deep-sea mud..

Lithophyte :: Lithophyte (n.) A hard, or stony, plantlike organism, as the gorgonians, corals, and corallines, esp. those gorgonians having a calcareous axis. All the lithophytes except the corallines are animals..

Spirillum :: Spirifer (n.) Any one of numerous species of fossil brachipods of the genus Spirifer, or Delthyris, and allied genera, in which the long calcareous supports of the arms form a large spiral, or helix, on each side..

Rhabdolith :: Rhabdolith (n.) A minute calcareous rodlike structure found both at the surface and the bottom of the ocean; -- supposed by some to be a calcareous alga.

Tooth :: Tooth (n.) Any hard calcareous or chitinous organ found in the mouth of various invertebrates and used in feeding or procuring food; as, the teeth of a mollusk or a starfish..

Calcify :: Calcify (v. i.) To become changed into a stony or calcareous condition, in which lime is a principal ingredient, as in the formation of teeth..

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