Definify.com
Webster 1913 Edition
Hastener
Has′ten-er
(-ẽr)
, Noun.
 1. 
One who hastens. 
2. 
That which hastens; especially, a stand or reflector used for confining the heat of the fire to meat while roasting before it. 
Webster 1828 Edition
Hastener
HASTENER
,Noun.