ravelin

[ rav-lin ]
/ ˈræv lɪn /
|

noun Fortification.

a V-shaped outwork outside the main ditch and covering the works between two bastions.

Origin of ravelin

1580–90; < Middle French, earlier revelin < Italian rivellino, diminutive of riva bank, rim
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British Dictionary definitions for ravelin

ravelin

/ (ˈrævlɪn) /

noun

fortifications an outwork having two embankments at a salient angle

Word Origin for ravelin

C16: from Italian ravellino a little bank, from riva bank, from Latin rīpa
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