Sponsio
Black's Law Dictionary · Henry Campbell Black, M.A. · 1910
Black's Law Dictionary
Lat In the civil law. An engagement or undertaking; particularly such as was made in the form of an answer to a formal interrogatory by the other party. Calvin. An engagement to pay a certain sum of money to the successful party in a cause. Calvin.
— Sponsio judicialis. In Roman law. A judicial wager corresponding in some respects to the "feigned issue" of modern practice.
— Sponsio lndicra. A trifling or ludicrous engagement, such as a court will not sustain an action for. 1 Kames, Eq. Introd. 34. An informal undertaking, or one made without the usual formula of interrogation. Calvin.