The Collaborative International Dictionary of English v.0.48:Amurcous \A*mur"cous\, a. [LL. amurcosus, L. amurca the dregs of olives, Gr. 'amo`rghs, fr. 'ame`rgein to pluck.] Full off dregs; foul. [R.] --Knowles. [1913 Webster]