Cystolith
Pronunciation : Cys"to*lith (ss"t-lth)
Part of Speech : n.
Etymology : [Gr. -lith.]
Definition : 1. (Bot.)
Defn: A concretion of mineral matter within a leaf or other part of a plant.
2. (Med.)
Defn: A urinary calculus.
Source : Webster's Unabridged Dictionary, 1913