Lewis Short
(adjective) : Vipsānius, i, m.
* The name of a Roman gens; e. g. M. Vipsanius Agrippa,the son-inlaw of Augustus,Suet. Aug. 42 and 63; Nep. Att. 12, 1; Sen. Contr. 2, 12 fin.—Hence, Vipsānus, a, um, , of or belonging to Vipsanius Agrippa, Vipsanian: columnae, in the portico of Agrippa,Mart. 4, 18, 1; so, laurus,id. 1, 109, 3.
Charlton T. Lewis, Charles Short, A Latin Dictionary