Latin. I perform so you give. A species of contract, an innominate contract in the civil law, which occurs when a man agrees to perform anything for a price, either specifically mentioned or left to the determination of the law to set a value on it. As when a servant hires himself to his master for certain wages or an agreed sum of money. 2 Bl. Com. 445. The third species of consideration under the civil law.
An expression used in the civil law to denote the consideration of that species of contrast by which I agree with a man to do his work for him if he will do mine for me; or if two persons agree to marry together, or to do any other positive acts on both sides; or it may be to. forbear on one side in consideration of something done on the other. 2 Bla. Com. 444.