I.a door-keeper, porter, janitor: “heus ecquis hic est janitor? aperite,” Plaut. Men. 4, 2, 110: “carceris,” Cic. Verr. 2, 5, 45, § 118: “janitor (indignum!) durā religate catenā,” Ov. Am. 1, 6, 1: “utque sedens vester primi prope limina tecti, janitor egressus videt,” id. F. 1, 138; Hor. S. 2, 7, 45; id. C. 3, 14, 23; Tib. 1, 1, 65; Col. 1 praef.—
II. Poet., transf.
A. Caeli janitor, i. e. Janus, Ov. F. 1, 139.—
B. (Ingens) janitor, of Cerberus, Verg. A. 6, 400; cf. Hor. C. 3, 11, 16.