Biforine
Pronunciation : Bif"o*rine
Part of Speech : n.
Etymology : [L. biforis, biforus, having two doors; bis twice + foris door.] (Bot.)
Definition : Defn: An oval sac or cell, found in the leaves of certain plants of the order Arace?. It has an opening at each end through which raphides, generated inside, are discharged.
Source : Webster's Unabridged Dictionary, 1913