Ancipitis Usus
A Dictionary of Law · Henry Campbell Black · 1891
A Dictionary of Law
Lat. In international law. Ofdoubtful use; the use of which is doubtful; that may be used for a civil or peaceful, as weil as military or warlike, purpose, Gro. de Jure B. lib.
8, c. 1, § 5, subd. 3; 1 Kent, Comm. 140.