biforine

== English == === Etymology === From Latin biforis, biforus (“having two doors”), from bis (“twice”) + foris (“door”). === Noun === biforine (plural biforines) (botany) An oval sac or cell, found in the idioblasts of the leaves of certain araceous plants, with an opening at each end through which raphides, generated inside, are emitted. === References === “biforine”, in Webster’s Revised Unabridged Dictionary, Springfield, Mass.: G. & C. Merriam, 1913, →OCLC.