Conceptum
A New Law Dictionary and Glossary · Alexander M. Burrill · 1850
A New Law Dictionary and Glossary
Lat. (Found.) In the civil law. A theft (furtum) was called conceptum, when the thing stolen was searched for, and found upon some person in the presence of witnesses.
Inst, 3. 1. 4.
Actio coneepti; an action which lay against the possessor of a thing stolen, although he did not commit the theft. Id. ibid.