In*hal"er (?), n.
1.
One who inhales.
2.
An apparatus for inhaling any vapor or volatile substance, as ether or chloroform, for medicinal purposes.
3.
A contrivance to filter, as air, in order to protect the lungs from inhaling damp or cold air, noxious gases, dust, etc.; also, the respiratory apparatus for divers.
© Webster 1913.