catascopus

A New Latin Dictionary by Charlton T. Lewis Ph.D. and Charles Short, LL. D.

cătascŏpus, i, m., = κατάσκοπος (exploring, spying (cătascŏpĭum, ii, n., Gell. 10, 25 fin.), = κατασκόπιον,

a lookoutship , a spy-ship , a vessel sent out to reconnoitre (pure Lat. navigium speculatorium), Auct. B. Afr. 26; cf. Isid. Orig. 19, 1, 18.