気閘 is read as きこう (kikou) and means airlock.
きこう
kikou
けはい
tone (of the market)
きみ
sensation
かたぎ
disposition
きづく
to regain consciousness
きがかり
worry
きしょう
weather (conditions)
きぶん
feeling
きもち
preparedness
きおん
(air) temperature
きあつ
atmospheric pressure
きがる
ease
き
consciousness