Ex‐haust″, n.(Steam Engine) 1. The steam let out of a cylinder after it has done its work there.
2. The foul air let out of a room through a register or pipe provided for the purpose.
Webster's Dictionary 1913
Ex‐haust″, n.(Steam Engine) 1. The steam let out of a cylinder after it has done its work there.
2. The foul air let out of a room through a register or pipe provided for the purpose.