Definify.com
Webster 1913 Edition
Quadridentate
Quadˊri-den′tate
,Adj.
 [
Quadri- 
+ dentate
.] Having four teeth; 
as, a 
. quadridentate 
leafWebster 1828 Edition
Quadridentate
QUADRIDEN'TATE
,Adj.
  In botany, having four teeth on the edge.