de•volvePronunciation: (di-volv'), [key]
—v., -volved, -volv•ing.
to transfer or delegate (a duty, responsibility, etc.) to or upon another; pass on.
to cause to roll downward.
to be transferred or passed on from one to another: The responsibility devolved on me.
to roll or flow downward.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.