bĭpătens — Lewis & Short
bĭpătens, entis, adj.bis-pateo,
I opening in two ways, open in two directions (acc. to Serv. ad Verg. A. 10, 5, used by Enn.; cf. Ann. v. 62 Vahl.; but only two exs. in Verg. are preserved):
portis alii bipatentibus assunt, i.e. portis duarum valvarum,Verg. A. 2, 330 Wagn.—Of the doors of the dwellings of the gods:
considunt tectis bipatentibus,Verg. A. 10, 5 (est autem sermo Ennianus tractus ab ostiis, quae ex utrāque parte aperiuntur, Serv.).