kuldas Variant. kurdas noun English. The string(s) of a musical instrument, catgut, steel, plastic or bamboo. Example sentence: Subanen. Ki tabubuk, ginis dadema gagung, laak lebuuk ig baalen, dua' buuki kuldasen, laak gunay. English. A tabubuk is one kind of percussion instrument, made out of bamboo, and it has two strings, still part of it (Bamboo strips are loosened and pried away from body of instrument, to form strings.)