pos>n. [ Counter- + scarp: cf. F. contrescarpe. ] (Fort.) The exterior slope or wall of the ditch; -- sometimes, the whole covered way, beyond the ditch, with its parapet and glacis; as, the enemy have lodged themselves on the counterscarp. [ 1913 Webster ]
v. t. [ imp. & p. p. Countersigned p. pr. & vb. n. Countersigning. ] [ Counter- + sign: cf. F. contresigner. ] To sign on the opposite side of (an instrument or writing); hence, to sign in addition to the signature of a principal or superior, in order to attest the authenticity of a writing. [ 1913 Webster ]
v. t. [ imp. & p. p. Countersunk p. pr. & vb. n. Countersinking. ]1. To chamfer or form a depression around the top of (a hole in wood, metal, etc.) for the reception of the head of a screw or bolt below the surface, either wholly or in part; as, to countersink a hole for a screw. [ 1913 Webster ]
2. To cause to sink even with or below the surface; as, to countersink a screw or bolt into woodwork. [ 1913 Webster ]
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