[sur-kuh m-val-eyt]
verb (used with object), cir·cum·val·lat·ed, cir·cum·val·lat·ing.
  1. to surround with or as if with a rampart.

Origin of circumvallate

1655–65; < Latin circumvallātus (past participle of circumvallāre to surround with a wall), equivalent to circum- circum- + vall(um) rampart, wall + -ātus -ate1
Related formscir·cum·val·la·tion, nounnon·cir·cum·val·lat·ed, adjective Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for circumvallate

Historical Examples of circumvallate

British Dictionary definitions for circumvallate


  1. (tr) to surround with a defensive fortification
Derived Formscircumvallation, noun

Word Origin for circumvallate

C19: from Latin circumvallāre, from circum- + vallum 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

circumvallate in Medicine


  1. Surrounded by a ridge or wall-like structure.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.