vi, took  , tak*en  , tak*ing  1  :  to establish a take esp. by uniting or growing <with an experienced surgeon some 90 percent of the grafts -Lancet>   2  of a vaccine or vaccination  :  to produce a take
n 1  :  a local or systemic reaction indicative of successful vaccination  2  :  a successful union (as of a graft) .
 
 
 
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