Deviation from a horizontal line; gradual descent of surface; inclination downward; slope; -- opposed to acclivity, or ascent; the same slope, considered as descending, being a declivity, which, considered as ascending, is an acclivity.

A descending surface; a sloping place.

A downward slope or descent of the ground.

a downward slope or bend

Downhill slope

Inclination of shipways on which a ship slides during launching.

A downward slope or sloping, as a hill.

(De- cli-vi-tee): a downward-sloping surface.