Meaning of CONCAVE in English


— concavely , adv. — concaveness , n.

adj. , v. /kon kayv", kon"kayv/ ; n. /kon"kayv/ , adj., n., v., concaved, concaving .


1. curved like a segment of the interior of a circle or hollow sphere; hollow and curved. Cf. convex (def. 1).

2. Geom. (of a polygon) having at least one interior angle greater than 180°.

3. Obs. hollow.


4. a concave surface, part, line, or thing.

5. Mach. a concave piece, as one against which a drum rotates.


6. to make concave.

[ 1375-1425; late ME ( concavus, hollow. See CON-, CAVE ]

Random House Webster's Unabridged English dictionary.      Полный английский словарь Вебстер - Random House .