Nantoka/茭jiāo茭 (jiāo) is a Chinese word meaning “Zizania aquatica”.Meanings1Zizania aquaticaRelated words茭白Manchurian wild rice 菰[gu1], aka water bamboo, or its edible stem, which resembles a bamboo shoot茭白笋edible stem of Manchurian wild rice 菰[gu1], aka water bambooStudy Chinese with flashcards →