from The American Heritage® Dictionary of the English Language, 4th Edition
- n. A short, circular tower, usually made of stone and located near a shoreline as a defensive fortification.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A short sturdy round masonry fort, especially one constructed at various coastal points in the British Empire during the Napoleonic Wars.
from the GNU version of the Collaborative International Dictionary of English
- A building of masonry, generally circular, usually erected on the seacoast, with a gun on the summit mounted on a traversing platform, so as to be fired in any direction.
from The Century Dictionary and Cyclopedia
- See tower.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. a circular masonry fort for coastal defence
After Cape Martello, Corsica, where such a tower was taken by British forces in 1794.(American Heritage® Dictionary of the English Language, Fourth Edition)
Alteration of the name of Cape Mortella in Corsica, after Italian martello ("hammer"). (Wiktionary)