concave

n. உட்குழிவான வடிவம், குழிவு, பள்ளம், மேல் வளைவு, வான வளைவு, நிலவறை வளைவு மாடம், (பெ.) உட்குழிவான, பள்ளமான, (வி.) உட்குழிவாக்கு, பள்ளமாக்கு.

Synonyms

Antonyms

Con"cave ( or ; 277), a. Etym: [L. concavus; con- + cavus hollow: cf. F. concave. See Cave a hollow.] 1. Hollow and curved or rounded; vaulted; -- said of the interior of a curved surface or line, as of the curve of the of the inner surface of an eggshell, in opposition to convex; as, a concave mirror; the concave arch of the sky. 2. Hollow; void of contents. [R.] As concave . . . as a worm-eaten nut. Shak. Con"cave, n. Etym: [L. concavum.] 1. A hollow; an arched vault; a cavity; a recess. Up to the fiery concave towering hight. Milton. 2. (Mech.) Defn: A curved sheath or breasting for a revolving cylinder or roll. Con"cave, v. t. [imp. & p. p. concaved (; p. pr.& vb. n. Concaving.] Defn: To make hollow or concave.