Bermuda rig

from The American Heritage® Dictionary of the English Language, 5th Edition.

• noun A fore-and-aft rig distinguished by a tall triangular mainsail and a sharply raked mast, widely used on cruising and racing vessels.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• noun nautical A sailing rig consisting of a single stayed mast with a fore-and-aft rigged mainsail on a boom and a jib or genoa on the forestay

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

• noun a rig of triangular sails for a yacht