Entry 2 senses · 2 variants Webster, 1913 Untruss · Un·truss · IPA v. t. n. 01 v. t. To loose from a truss, or as from a truss; to untie or unfasten; to let out; to undress. 1. To loose from a truss, or as from a truss; to untie or unfasten; to let out; to undress.[R.] 02 n. One who untrussed persons for the purpose of flogging them; a public whipper. 1. One who untrussed persons for the purpose of flogging them; a public whipper.[Obs.]