"2017-09-07T17:55:45"^^ . . "In de hoofdgracht gelegen 'buitenwerken' van vestingen, dienende tot dekking van 'saillanten' van 'bastions' of 'ravelijnen'."@nl . "demi-lune (outwork)"@en . . . "Triangular outworks situated in the moats of fortifications, and that resemble bastions with a crescent-shaped gorge, constructed to protect a bastion or curtain. The term is often used interchangeably with 'ravelins'. Historically there may have been distinguishing characteristics between ravelins and demi-lunes in the Italian school of fortification design, but in the modern era these terms are most often used synonymously."@en . "demi-lunes (outworks)"@en . "2017-02-08T15:39:01"^^ . "demilunes (outworks)"@en . "halve manen (verdedigingingswerkonderdelen)"@nl . "halve maan"@nl . "300411519" .