Pronunciation: (kō"in-sīd'), [key]
—v.i., -cid•ed, -cid•ing.
1. to occupy the same place in space, the same point or period in time, or the same relative position: The centers of concentric circles coincide. Our vacations coincided this year.
2. to correspond exactly, as in nature, character, etc.: His vocation coincides with his avocation.
3. to agree or concur, as in thought or opinion: Their opinions always coincide.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.