unˈseamed,ppl.a. [un-1 8. Cf.Du.ongezoomd, MLG. and MHG.ungesûmet, G. ungesäumt, Sw.osömmad.] Having no seam. 1592Sylvester Tri. Faith ii. xlix, The Schismatiks..renting Christ's unseamed coat in twain.1635F. White Sabbath 310 The unseamed coat of Christ.