·noun ·same·as 2d Carte.
II. Quarte ·noun A position in thrusting or parrying, with the inside of the hand turned upward and the point of the weapon toward the adversary's right breast.
quarte and quarti, v. quartus. ...
A New Latin Dictionary by Charlton T. Lewis Ph.D. and Charles Short, LL. D.
In sword defence was one of the four guards, and also a position in fencing. ...
The Sailor's Word-Book