This ornament on its concave figured surface had been covered with red paint, much of which was still visible.
In a concave mirror the top and bottom are inverted, but this is no transposition.
Petals 5, much smaller than the sepals, concave and obscurely 2-lobed, raised on a claw.
I am bending them in concave cathode of force over the city.
The design has in this case been engraved upon the convex side, the concave surface being plain.
I ran up the twisted, concave surface of a giant stem of some kind.
The same variety exists in regard to the texture of these rubbing-stones, as in the concave grinders.
You will perceive, Watson, that the glasses are concave and of unusual strength.
Shell-mantle one and a third times as long as broad, its frontal perimeter heptagonal, with seven concave sides.
The sky was like a bowl of brass, and in the concave buzzards were sailing.
concave con·cave (kŏn-kāv', kŏn'kāv')
Curved like the inner surface of a sphere. n.
A concave surface, structure, or line.