mainmast[mān′mast′; naut., -məst]
mainmast definition by Webster's New World
Webster's New World College Dictionary Copyright © 2010 by Wiley Publishing, Inc., Cleveland, Ohio. Used by arrangement with John Wiley & Sons, Inc.
the principal mast of a vessel: in a schooner, brig, bark, etc., the mast second from the bow; in a ketch or yawl, the larger mast nearer the bow
mainmast definition by American Heritage Dictionary
- The principal mast of a sailing vessel.
- The taller mast, whether forward or aft, of a two-masted sailing vessel.
- The second mast aft of a sailing ship with three or more masts.