Caducity
Pronunciation : Ca*du"ci*ty
Part of Speech : n.
Etymology : [LL. caducitas: cf. F. caducit?. See Caducous.]
Definition : Defn: Tendency to fall; the feebleness of old age; senility. [R.] [A] jumble of youth and caducity. Chesterfield.
Source : Webster's Unabridged Dictionary, 1913