( a. )
The tendency of a mass of matter toward a center of attraction; esp., the tendency of a body toward the center of the earth; terrestrial gravitation.
( a. )
The tendency of a mass of matter toward a center of attraction; esp., the tendency of a body toward the center of the earth; terrestrial gravitation.
Webster's Revised Unabridged English Dictionary. Пересмотренный полный словарь английского языка Webster. 2012