adv. [f. CONCAVE a. + -LY2.] With a concave outline or surface.
1880. Watson in Jrnl. Linn. Soc. Zool., XV. 91. Spire high and sharp-pointed, its concavely conical slope being slightly broken at the sutures.
1882. Vines, Sachs’ Bot., 833. They curve concavely towards the source of light.
