un·truss \“+\verb Etymology: Middle English untrussen, from un- (II) + trussen to truss transitive verb 1.archaic: to loose from a fastening : set free 2.archaic a.: untie, unfasten, undo — used in the phrase untruss one's points; compare point I 10a b.: undress intransitive verb archaic: to unfasten or take off one's clothes and especially one's breeches < is condemned for untrussing — Shakespeare >