Lewis Short
implōrātĭo | inpl- (noun F) : (), , id.
* A beseeching for help, imploring (rare but good prose): omnium deorum et hominum et civium et sociorum imploratio,Cic. de Or. 2, 47, 196: acerba,Cic. Verr. 2, 5, 63, § 163: ad invidiosam implorationem converti,Quint. 9, 2, 38.
Charlton T. Lewis, Charles Short, A Latin Dictionary