One half of a bamboo split lengthwise as often used tile-fashion for roofing, etc.; to make or use bamboo split in half. Langkubá ang atóp sang baláy. Make the house-roof of split bamboo. Ilángkub iníng kawáyan. Use this bamboo as roofing material. Langkubí akó sing napúlò ka nahót nga kawáyan. Work up ten bamboos for me, splitting them in half, for roofing purposes. Ang atóp nga lángkub mapág-on. A roof of split bamboo is strong.