Lewis Short
(adjective) : explōrātōrĭus, a, um, explorator, II.
* Of or belonging to searching out, exploratory (post-Aug.): coronae,a reward for scouts or those who sought out and pursued the enemy,Suet. Calig. 45: scaphae,spy-boats,Veg. Mil. 5, 7.
Charlton T. Lewis, Charles Short, A Latin Dictionary