| http://www.w3.org/ns/prov#value | - See Cliff.] Declination from a horizontal line ; descent of land ; inclination downward ; a slope ; a gradual descent of the earth, of a rock or other thine : chiefly used of the earth, and opposed to acclivity, or ascent ; the same slope, considered as descending, being a declivity, and considered as asce7iding, an acclivity.
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