A concave surface or curve.
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.
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 render concave, or increase the degree of concavity.
An embankment, as in railroad construction, to fill a hollow or ravine; also, the place which is to be filled.
Soil and/or human-created debris discovered within a cavity or cut in the layers and exposed by excavation; fill soil.
An amount that fills a container.
A short passage, riff, or rhythmic sound that helps to keep the listener's attention during a break between the phrases of a melody.
The filling of a container or area.
A sufficient or more than sufficient amount.
Inexpensive material used to occupy empty spaces, especially in construction.
bass fill
One of the thills or shafts of a carriage.
To treat (a tooth) by adding a dental filling to it.
To satisfy or obey (an order, request, or requirement).
To add contents to (a container, cavity, or the like) so that it is full.
To become full.
To install someone, or be installed, in (a position or office), eliminating a vacancy.
To trim (a yard) so that the wind blows on the after side of the sails.
To fill or supply fully with food; to feed; to satisfy.
To enter (something), making it full.
To occupy fully, to take up all of.
To become pervaded with something.
To have sexual intercourse with (a female).