Definify.com
Webster 1913 Edition
Ratten
Rat′ten
(răt′t’n)
, Verb.
 T.
 [Prov. E. 
ratten 
a rat, hence the verb literally means, to do mischief like a rat.] To deprive feloniously of the tools used in one’s employment (as by breaking or stealing them), for the purpose of annoying; 
as, to 
. ratten 
a mechanic who works during a strike[Trades-union Cant] 
J. McCarthy.