Roar"er (?), n.
1.
One who, or that which, roars.
Specifically: (a)
A riotous fellow; a roaring boy.
A lady to turn roarer, and break glasses.
Massinger.
(b) Far.
A horse subject to roaring
. See
Roaring, 2.
2. Zool.
The barn owl.
[Prov.Eng.]
© Webster 1913.