Black's Law Dictionary (2nd edition)dictionaries

Negotiorum Gestio

I^at. In the clvll law. Literally, a doing of business or businesses. A species of spontaneous ageu-cy, or an interference by oue iu the affairs of another, in hia absence, from benevolence or friendship, and without authority. 2 Kent, Comm. 616, note; Inst. 3, 28, 1

Source: Black’s Law Dictionary 2nd Ed (1910)