蕓薹 うんだい Also written うんたい, ウンダイ, ウンタイ, うん薹 Meanings Noun rape (seed oil plant, Brassica campestris); Chinese colza; yuntai See also: アブラナ. Kanji 蕓 rue; herb used keep insects away. Read as ウン. 薹 seed pod. Read as タイ. Jinuma: Japanese Dictionary · Word lists