excubitores
EXCUBITO´RESwhich properly means watchmen or sentinels of any kind (Caes. Bell. Gall. 7.69), was the name more particularly given to the soldiers of the cohort who guarded the palace of the Roman emperor (Suet. Nero 8, Oth. 6). Their commanding officer was called tribunus excubitor (Suet. Cl. 42; Ner. 9). When the emperor went to an entertainment at the house of another person, the excubitores appear to have accompanied him, and to have kept guard as in his own palace (Suet. Oth. 4).
[W.S]A word which properly means watchmen or sentinels of any kind ( B. G. vii. 69), but is more particularly given to the soldiers of the cohort who guarded the palace of the Roman emperor (Suet. Ner. 8; Oth. 6). Their commanding officer was called tribunus excubitor ( Claud. 42). When the emperor went to an entertainment at the house of another person, the excubitores appear to have accompanied him, and to have kept guard as in his own palace (Oth. 4).