\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.