or martello tower
a circular, towerlike fort with guns on the top.
Origin of Martello tower
named after Cape Mortella, Corsica, where a tower of this kind was taken by British forces in 1794
Also called martel·lo, Martel·lo.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
a small circular tower for coastal defence, formerly much used in Europe
Word Origin for Martello tower
C18: after Cape Mortella in Corsica, where the British navy captured a tower of this type in 1794
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012