Pronunciation: (grav"i-tā'shun), [key]
a. the force of attraction between any two masses. Cf. law of gravitation.
b. an act or process caused by this force.
2. a sinking or falling.
3. a movement or tendency toward something or someone: the gravitation of people toward the suburbs.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.