Definify.com
Webster 1913 Edition
Furring
Fur′ring
,Noun.
1.
(Carp.)
(a)
The leveling of a surface, or the preparing of an air space, by means of strips of board or of larger pieces. See , 3.
Fur
, Verb.
T.
(b)
The strips thus laid on.
2.
(Shipbuilding)
Double planking of a ship’s side.
3.
A deposit from water, as on the inside of a boiler; also, the operation of cleaning away this deposit.
Webster 1828 Edition
Furring
FUR'RING
,ppr.