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...

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

Cavetto :: Cavetto (n.) A concave molding; -- used chiefly in classical architecture. See Illust. of Column.

Gorge :: Gorge (n.) A concave molding; a cavetto.

Dish :: Dish (v. t.) To make concave, or depress in the middle, like a dish; as, to dish a wheel by inclining the spokes..

Talon :: Talon (n.) A kind of molding, concave at the bottom and convex at the top; -- usually called an ogee..

Opisthocoelous :: Opisthocoelous (a.) Concave behind; -- applied especially to vertebrae in which the anterior end of the centrum is convex and the posterior concave.

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

Concavity :: Concavity (n.) A concave surface, or the space bounded by it; the state of being concave..

Concave :: Concave (n.) A curved sheath or breasting for a revolving cylinder or roll.

Cove :: Cove (v. t.) To arch over; to build in a hollow concave form; to make in the form of a cove.

Triquetrous :: Triquetrous (a.) Three sided, the sides being plane or concave; having three salient angles or edges; trigonal..

Hypotrochoid :: Hypotrochoid (n.) A curve, traced by a point in the radius, or radius produced, of a circle which rolls upon the concave side of a fixed circle. See Hypocycloid, Epicycloid, and Trochoid..

Efflower :: Efflower (v. t.) To remove the epidermis of (a skin) with a concave knife, blunt in its middle part, -- as in making chamois leather..

Meniscus :: Meniscus (n.) A lens convex on one side and concave on the other.

Bruiser :: Bruiser (n.) A concave tool used in grinding lenses or the speculums of telescopes.

Ichthyornis :: Ichthyornis (n.) An extinct genus of toothed birds found in the American Cretaceous formation. It is remarkable for having biconcave vertebrae, and sharp, conical teeth set in sockets. Its wings were well developed. It is the type of the order Odontotormae..

Concavo-convex :: Concavo-convex (a.) Concave on one side and convex on the other, as an eggshell or a crescent..

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..

Myopia :: Myopia (n.) Nearsightedness; shortsightedness; a condition of the eye in which the rays from distant object are brought to a focus before they reach the retina, and hence form an indistinct image; while the rays from very near objects are normally converged so as to produce a distinct image. It is corrected by the use of a concave lens..

Bowl :: Bowl (n.) A concave vessel of various forms (often approximately hemispherical), to hold liquids, etc..

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