I.on the look-out, on the watch; watching for any thing (post-Aug.): “Festus Hadrumeto, ubi speculabundus substiterat, etc.,” Tac. H. 4, 50: “ab ostio speculabunda,” Mart. Cap. 2, § 112.—With acc.: “speculabundus ex altissimā rupe identidem signa,” Suet. Tib. 65.
spĕcŭlābundus , a, um, adj. id.,