Definify.com
Webster 1913 Edition
Breather
Breath′er
,Noun.
1.
One who breathes.
Hence:
(a)
One who lives.
(b)
One who utters.
(c)
One who animates or inspires.
2.
That which puts one out of breath, as violent exercise.
[Colloq.]
Webster 1828 Edition
Breather
BRE'ATHER
,Noun.