The Collaborative International Dictionary of English v.0.48:
Dictum \Dic"tum\, n.; pl. L. Dicta, E. Dictums. [L., neuter
of dictus, p. p. of dicere to say. See Diction, and cf.
1. An authoritative statement; a dogmatic saying; an
A class of critical dicta everywhere current. --M.
(a) A judicial opinion expressed by judges on points that
do not necessarily arise in the case, and are not
involved in it.
(b) (French Law) The report of a judgment made by one of
the judges who has given it. --Bouvier.
(c) An arbitrament or award.