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单词 ravelin
释义

ravelin

/ˈravlɪn /
noun historical
An outwork of fortifications, with two faces forming a salient angle, constructed beyond the main ditch and in front of the curtain.A ravelin is a V shaped fortification used to protect the entrance of a fort....
  • Detached works called ravelins or (from their appearance) demi-lunes (half-moons) often stood out in front of the curtain between the bastions, and sometimes extra works formed an extra outer skin of fortifications.
  • Madam, we require your presence on the north-western ravelin immediately.

Origin

Late 16th century: from French, from obsolete Italian ravellino, of unknown origin.

Rhymes

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更新时间:2024/11/11 10:49:56