無蓋 むがい Meanings Noun, の-adjective open; uncovered Kanji 無 without. Read as ム. 蓋 lid. Read as ガイ. Words containing 無蓋 無蓋車 (むがいしゃ) open freight car 無蓋貨車 (むがいかしゃ) open freight car Jinuma: Japanese Dictionary · Word lists