fortress

[ fawr-tris ]
/ ˈfɔr trɪs /

noun

a large fortified place; a fort or group of forts, often including a town; citadel.
any place of exceptional security; stronghold.

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Origin of fortress

1300–50; Middle English forteresse<Old French <Vulgar Latin *fortaricia (compare Medieval Latin fortalitia), equivalent to Latin fort(is) strong + -ar-, formative of uncertain meaning +-icia-ice
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Example sentences from the Web for fortress

British Dictionary definitions for fortress

fortress
/ (ˈfɔːtrɪs) /

noun

a large fort or fortified town
a place or source of refuge or support

verb

(tr) to protect with or as if with a fortress

Word Origin for fortress

C13: from Old French forteresse, from Medieval Latin fortalitia, from Latin fortis strong
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