Lewis & Short

Parsing inflected forms may not always work as expected. If the following does not give the correct word, try Latin Words or Perseus.

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, adj., of or belonging to Vipsanius Agrippa, Vipsanian: columnae, in the portico of Agrippa, Mart. 4, 18, 1; so, laurus, id. 1, 109, 3.