Si Prius
Bouvier's Law Dictionary and Concise Encyclopedia · John Bouvier; revised by Francis Rawle · 1914
Bouvier's Law Dictionary and Concise Encyclopedia
If before. Formal words in ancient writs for summoning juries.
Fleta, 1. 2, c. 65, § 12.
SI TE FECERIT SECURUM (Lat If he make you secure). Words which occur in the form of writs, which originally required, his claim, before the sheriff can be required to execute such writ.