Definition of "declivity" [de•cliv•i•ty]

• A downward slope, as of a hill. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "Sufetula was built one hundred and fifty miles to the south of Carthage: a gentle declivity is watered by a running stream, and shaded by a grove of juniper-trees; and, in the ruins of a triumpha arch, a portico, and three temples of the Corinthian order, curiosity may yet admire the magnificence of the Romans."
• "At the bottom of the declivity was a pond of water bubbling and steaming."
• "On a shelf or cup of the declivity was a little clump of vegetation, and in the midst of it welled up a thin stream of water."