Source : Webster's Revised Unabridged Dictionary (1913)

Quinquefid \Quin"que*fid\, a. [Quique- + the root of L. findere
   to cleave: cf. F. quinqu['e]fide.] (Bot.)
   Sharply cut about halfway to the middle or base into five
   segments; as, a quinquefid leaf or corolla.