木栓 mùshuān cork Origin Definitions Defs Strokes Stroke Words Sentences Sents 木栓槠 mùshuānzhū cork oak Quercus variabilis, a deciduous tree species found in East Asia with thick, corky bark used commercially木栓质 mùshuānzhì suberin a waxy substance found in the cell walls of higher plants that helps prevent water loss