I.one who keeps guard, a watchman, guard, sentinel: “haec eadem (castella) noctu excubitoribus ac firmis praesidiis tenebantur,” Caes. B. G. 7, 69 fin.: “tribunus excubitor,” the captain of the guard, Suet. Claud. 42; id. Ner. 8.— “Of a dog: quis excubitor inveniri potest vigilantior?” Col. 7, 12, 1.—Of a cock: “excubitor ales,” Verg. M. 2.
excŭbĭtor , ōris, m. excubo,