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A keel.

A genus of oceanic heteropod Mollusca, having a thin, glassy, bonnet-shaped shell, which covers only the nucleus and gills.

A grand division of birds, including all existing flying birds; -- So called from the carina or keel on the breastbone.

Shaped like the keel or prow of a ship; having a carina or keel; as, a carinate calyx or leaf; a carinate sternum (of a bird).

The group of Arachnida which includes the mites and ticks. Many species are parasitic, and cause diseases like the itch and mange.

Having two keel-like projections, as the upper palea of grasses.

Many-keeled.

A kind of small simple wind instrument.

Having one ridge or keel. Craig.

phere, called also Argo Navis. In modern astronomy it is replaced by its three divisions, Carina, Puppis, and Vela.

Having the maxillo-palatine bones united; -- applied to a group of carinate birds (Desmognathæ), including various wading and swimming birds, as the ducks and herons, and also raptorial and other kinds.

a, having the foot developed into a median fin. Some of the species are naked; others, as Carinaria and Atlanta, have thin glassy shells.

A genus of parasitic Acarina, which includes various species of ticks. See Tick, the insect.

of the corolla of a papilionaceous flower, united and inclosing the stamens and pistil; a carina. See Carina.

Having a median ridge; carinate; as, a keeled scale.

that of cattle (Symbiotes, or Dermatophagys, bovis) are the most important species. See Acarina.

A minute arachnid, of the order Acarina, of which there are many species; as, the cheese mite, sugar mite, harvest mite, etc. See Acarina.

f the genus Cypripedium. See Lady's slipper. (b) (Zoöl.) Any heteropod shell of the genus Carinaria. See Carinaria.