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Massŭrĭus (Măsŭrĭus) Sabinus, a celebrated jurist in the time of the emperor Tiberius, Dig. 1, 2, 2 fin.; Gell. 3, 16 fin.; 5, 19 al.: Masuri rubrica vetavit, Pers. 5, 90.
Hence, Masŭrĭānus, a, um, adj., of or pertaining to Massurius: deliramenta, M. Aurel. ap. Front. Ep. ad Caes. 2, 9 Mai.