1. The act of registering; registration.
2. The registered nationality of a ship.
3. A place for registering.
4. 1. A book for official records.
   2. The place where such records are kept.

The American Heritage® Dictionary of the English Language, Fourth Edition Copyright © 2007, 2000 by Houghton Mifflin Company. Updated in 2009. Published by Houghton Mifflin Company. All rights reserved.