- jactus lapilli
- /jaektas lapilay/ The throwing down of a stone. One of the modes, under the civil law, of interrupting prescription. Where one person was building on another's ground, and in this way acquiring a right by usucapio, the true owner challenged the intrusion and interrupted the prescriptive right by throwing down one of the stones of the building before witnesses called for the purpose
Black's law dictionary. HENRY CAMPBELL BLACK, M. A.. 1990.