Reddendum
Pronunciation : Red*den"dum (rd*dn"dm)
Part of Speech : n.
Etymology : [Neut. of L. reddendus that must be given back or yielded, gerundive of reddere. See Reddition.] (Law)
Definition : Defn: A clause in a deed by which some new thing is reserved out of what had been granted before; the clause by which rent is reserved in a lease. Cruise.
Source : Webster's Unabridged Dictionary, 1913