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 concave is as below...

Camera Obscura :: Camera obscura () An apparatus in which the images of external objects, formed by a convex lens or a concave mirror, are thrown on a paper or other white surface placed in the focus of the lens or mirror within a darkened chamber, or box, so that the outlines may be traced..

Vaulted :: Vaulted (a.) Arched; concave; as, a vaulted roof..

Convexo-concave :: Convexo-concave (a.) Convex on one side, and concave on the other. The curves of the convex and concave sides may be alike or may be different. See Meniscus..

Hypocycloid :: Hypocycloid (n.) A curve traced by a point in the circumference of a circle which rolls on the concave side in the fixed circle. Cf. Epicycloid, and Trochoid..

Saddle-backed :: Saddle-backed (a.) Having the outline of the upper part concave like the seat of a saddle.

Biconcave :: Biconcave (a.) Concave on both sides; as, biconcave vertebrae..

Concavous :: Concavous (a.) Concave.

Procoelian :: Procoelian (a.) Concave in front; as, procoelian vertebrae, which have the anterior end of the centra concave and the posterior convex..

Rhynchocephala :: Rhynchocephala (n. pl.) An order of reptiles having biconcave vertebrae, immovable quadrate bones, and many other peculiar osteological characters. Hatteria is the only living genus, but numerous fossil genera are known, some of which are among the earliest of reptiles. See Hatteria. Called also Rhynchocephalia..

Fillet :: Fillet (n.) A concave filling in of a reentrant angle where two surfaces meet, forming a rounded corner..

Concaved :: Concaved (a.) Bowed in the form of an arch; -- called also arched.

Belemnite :: Belemnite (n.) A conical calcareous fossil, tapering to a point at the lower extremity, with a conical cavity at the other end, where it is ordinarily broken; but when perfect it contains a small chambered cone, called the phragmocone, prolonged, on one side, into a delicate concave blade; the thunderstone. It is the internal shell of a cephalopod related to the sepia, and belonging to an extinct family. The belemnites are found in rocks of the Jurassic and Cretaceous ages..

Subconformable :: Subconcave (a.) Slightly concave.

Concave :: Concave (a.) Hollow; void of contents.

Palm :: Palm (n.) The inner and somewhat concave part of the hand between the bases of the fingers and the wrist.

Saddleback :: Saddleback (n.) Anything saddle-backed; esp., a hill or ridge having a concave outline at the top..

Cope :: Cope (n.) Anything regarded as extended over the head, as the arch or concave of the sky, the roof of a house, the arch over a door..

Cove :: Cove (n.) A member, whose section is a concave curve, used especially with regard to an inner roof or ceiling, as around a skylight..

Roach-backed :: Roach-backed (a.) Having a back like that of roach; -- said of a horse whose back a convex instead of a concave curve.

Engrailed :: Engrailed (a.) Indented with small concave curves, as the edge of a bordure, bend, or the like..

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