To render concave, or increase the degree of concavity.
A playing card made concave for use in cheating.
One of the celestial spheres of the Ptolemaic or geocentric model of the world.
An indentation running along the base of a surfboard, intended to increase lift.
An element of a curved grid used to separate desirable material from tailings or chaff in mining and harvesting.
The vault of the sky.
An indented area on the top of a skateboard, providing a position for foot placement and increasing board strength.
A concave surface or curve.
Hollow; empty.
Satisfying the property that all segments connecting two points on the function's graph lie below the function.
Not convex; having at least one internal angle greater than 180 degrees.
Curved like the inner surface of a sphere or bowl.
To traverse by crawling, as a ledge.
To crawl while straddling, especially in crossing a creek.
To fish by noodling, by feeling for large fish in underwater holes.
To play the dated stereotype of a black fool for an audience, particularly including Caucasians.
To hunt raccoons.
A member of a colorfully dressed dance troupe in Cape Town during New Year celebrations.
A black person who "plays the coon"; that is, who plays the dated stereotype of a black fool for an audience, particularly including Caucasians.
A coonass; a white Acadian French person who lives in the swamps.
A raccoon.
A black person.