Cadency
Pronunciation : Ca"den*cy
Part of Speech : n.
Definition : Defn: Descent of related families; distinction between the members of a family according to their ages. Marks of cadency (Her.), bearings indicating the position of the bearer as older or younger son, or as a descendant of an older or younger son. See Difference (Her.).
Source : Webster's Unabridged Dictionary, 1913