Refers to a shower (bathing) or a shower of rain. Common in daily life.
朝、シャワーを浴びてから出かける。
I take a shower in the morning before going out.
急にシャワーのような雨が降ってきた。
Suddenly a shower of rain started falling.
I left the shower running until the hot water came out.
I quickly turned off the shower and answered the phone.
This gym has a shower in the changing room.
air shower