Lewis & Short

2. cŏlŏphōn, ōnos, m.: colophon dixerunt, cum aliquid finitum significaretur, Paul. ex Fest. p. 37, 14 Müll. [ = κολοφών, the summit, the top; cf. in Gr. κολοφῶνα ἐπιθεῖναι, v. Lidd. and Scott, s. v. κολοφών].