Ad`le*ga"tion (?), n. [L. adlegatio,
allegatio, a sending away; fr. adlegare, allegare, to
send away with a commission; ad in addition + legare to send
as ambassador. Cf. Allegation.] A right formerly claimed by the
states of the German Empire of joining their own ministers with those of
the emperor in public treaties and negotiations to the common interest of
the empire. Encyc. Brit.