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vallation

American  
[va-ley-shuhn] / væˈleɪ ʃən /

noun

Fortification.

  1. a rampart or entrenchment.

  2. the process or technique of constructing ramparts.

vallation British  
/ vəˈleɪʃən /

noun

  1. the act or process of building fortifications

  2. a wall or rampart

"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

Etymology

Origin of vallation

1655–65; < Late Latin vallāt ( us ) ( vallate ) + -iōn- -ion

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.