A"ër*a`tor (&?;), n.
That which supplies with air; esp. an apparatus used for charging mineral waters with gas and in making soda water.
© Webster 1913
A"ër*a`tor (?), n.
That which supplies with air or gas; specif.:
(a)
An apparatus used for charging mineral waters with gas and in making soda water.
(b)
A fumigator used to bleach grain, destroying fungi and insects.
© Webster 1913