Definition of ravelin in English:

ravelin

noun

historical
  • An outwork of fortifications, with two faces forming a salient angle, constructed beyond the main ditch and in front of the curtain.

    • ‘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.’
    • ‘A ravelin is a V shaped fortification used to protect the entrance of a fort.’
    • ‘Madam, we require your presence on the north-western ravelin immediately.’
    rampart, defensive wall, defences, bulwark, palisade, stockade, redoubt, earthwork, outwork, bastion, parapet, battlement, blockhouse, barricade, buttress, stronghold
    View synonyms

Origin

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

Pronunciation

ravelin

/ˈravlɪn/