開扉 かいひ Meanings Noun, する verb, Transitive, Intransitive opening a door Kanji 開 open. Read as カイ. 扉 door. Read as ヒ. Words containing 開扉 小開扉 (しょうかいひ) opening a door for a moment (esp. on the train, when someone's foot is stuck, etc.) Jinuma: Japanese Dictionary · Word lists