1) Originally a costly fabric, sometimes of cotton, sometimes of linen although it later acquired the sense of coarse, gummed linen used for linings.
1400 ij ulnis de bukram emp. pro j baner, 2s 2d, Ripon
1433 unum mantellum nigrum linatum cum bukeram, York
1542 a quilt of yellow taffeta lined with blew bokeram, Bretton Hall
1751 black popling stuffe, white dimothy, blew buckram, Pontefract.