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Webster 1913 Edition
Doubling
Dou′bling
,Noun.
 1. 
The act of one that doubles; a making double; reduplication; also, that which is doubled. 
2. 
A turning and winding; 
as, the 
; shift; trick; artifice. doubling 
of a hunted hareDryden.
 3. 
(Her.) 
The lining of the mantle borne about the shield or escutcheon. 
4. 
The process of redistilling spirits, to improve the strength and flavor. 
Doubling a cape
, promontory
etc. 
 (Naut.)
, sailing around or passing beyond a cape, promontory, etc.Webster 1828 Edition
Doubling
DOUBLING
,ppr.
 DOUBLING
,Noun.