De·cliv·i·ty n.; pl. Declivities
1. 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.
2. A descending surface; a sloping place.
Commodious declivities and channels for the passage of the waters. --Derham.
n : a downward slope or bend [syn: descent, fall, decline,
declination, declension, downslope] [ant: ascent]