[also m- t-]
: also marˈtello noun
Webster’s New World College Dictionary, 4th Edition. Copyright © 2010 by
Houghton Mifflin Harcourt. All rights reserved.
Word origin of 'Martello tower'It martello, a hammer, folk etym. substitution for mortella, a tower, after Mortella, cape in Corsica, where such a tower was attacked by the English fleet (1794)