SCOUT Copy link • SCOUT 1. s. emissarius: explorator: speculator [SYN. in SPY]: to place scouts at various places, speculatores spargere. Vid: also, SPY 2. v. To act as a scout, explorare: speculari (the former to find out anything, aliquid and de aliqua re; the latter to spy in all directions, in order to find out; Vid: Caes., B.G., 1, 47). [Vid: also, To SPY.] To repel, reject, Vid.