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circumvallation Line breaks: cir¦cum|val¦la¦tion
Pronunciation: /səːkəmvaˈleɪʃ(ə)n/

Definition of circumvallation in English:

noun

A defensive wall of a castle or walled city: a small stream encircled the space between the inner and outer circumvallations
More example sentences
  • At the corner of the circumvallation, on the north-west, there was a fish-pond.
  • The Athenians cut off Syracuse with two forts, and began a twin circumvallation, but left their northern walls incomplete, which proved disastrous.
  • In its original condition a small streamlet encircled the space between the inner and outer circumvallations.

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