(1) A small work generally situated before the curtain, in a ditch full of water, consisting of two faces forming a re-entering angle, and was used to enfilade the ditch. (2) A field work consisting of two faces forming a salient angle and to flanks parallel to the capital. (3) A work situated on either side of ravelin, and the other face is perpendicular to half or two thirds of the faces of the ravelin, and the other face is nearly so to the faces of the bastion. (4) A work sited forward of the second ditch, opposite to the places of arms, the same as a ravelin except for its situation. (Fr. lunette, dim. of Lune, moon).
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