(adjective) : Roscĭus, i, m.
* The name of a Roman gens.
* L. Roscius, a Roman ambassador, slain in a revolt at Fidenae, Liv. 4, 17, 2.
* L. Roscius Otho, a friend of Cicero, who, when tribune of the people, A. U.C. 686, carried through a law that fourteen rows of seats in the theatre next to those of the senators should be appropriated to the knights, Cic. Mur. 19, 40; Liv. Epit. 99; Ascon. ap. Cornel. p. 784; Vell. 2, 32, 3; Plin. 7, 30, 31, § 117; Juv. 14, 324. The law just referred to was called Lex Roscia, Cic. Phil. 2, 18, 44; Hor. Ep. 1, 1, 62; Tac. A. 15, 32.
* Q. Roscius Gallus, a freedman from Lanuvium, a very celebrated actor, the intimate friend of Cicero, who defended him in an oration still extant. His excellence soon became proverbial: videtisne, quam nihil ab eo (sc. Roscio) nisi perfecte, nihil nisi cum summā venustate flat, etc.... Itaque hoc jam diu est consecutus, ut in quo quisque artificio excelleret, is in suo genere Roscius diceretur,Cic. de Or. 1, 28, 130; 59, 251; id. Arch. 8, 17; cf. id. Brut. 84, 290; Hor. Ep. 2, 1, 82. — Hence
* Roscĭā-nus, a, um, , Roscian: imitatio senis, Roscius's, Cic. de Or. 2, 59, 242.
* Sex. Roscius, of Ameria, defended by Cicero, A. U. C. 674, in an oration still extant, Cic. Off. 2, 14, 51; id. Brut. 90, 312.
* Lucius Roscius, who commanded a legion under Caesar, Caes. B. G. 7, 53; id. B. C. 1, 10.

Male Personal name
Confirmed occurences in the Roman Empire:

• L. Aradius Roscius Rufinus Saturninus Tiberianus (Masc, senator), ref: PIR A 1013 | PIR ID1850
• Q. Pompeius Senecio Roscius Murena Coelius Sex. Iulius Frontinus Silius Decianus C. Iulius Eurycles Herculaneus L. Vibullius Pius Augustanus Alpinus Bellicius Sollers Iulius Acer Ducenius Proculus Rutilianus Rufinus Silius Valens Valerius Niger Cl. Fuscus Saxa Amyntianus Sosius Priscus (Masc, senator), ref: PIR P 0651 | PIR ID10736
• C. Roscius ... (Masc, senator), ref: PIR R 0088 | PIR ID11452
• Roscius (Masc, senator), ref: PIR R 0087 | PIR ID11453
• L. Roscius Aelianus Maecius Celer (Masc, senator), ref: PIR R 0089 | PIR ID11454
• L. Roscius Aelianus Paculus (Masc, senator), ref: PIR R 0091 | PIR ID11455
• L. Roscius Aelianus Paculus (Masc, senator), ref: PIR R 0090 | PIR ID11456
• L. Roscius Aelianus Paculus Maecius Celer Manlius Postumus Mamilianus Vergilius Staberianus (Masc, senator), ref: PIR R 0093 | PIR ID11457
• L. Roscius Aelianus Paculus Salvius Iulianus (Masc, senator), ref: PIR R 0092 | PIR ID11458
• M. Roscius Coelius (Masc, senator), ref: PIR R 0094 | PIR ID11459
• Q. Roscius Coelius Murena Silius Decianus Vibullius Pius Iulius Eurycles Herculanus Pompeius Falco (Masc, senator), ref: PIR P 0602 | PIR ID11460
• M. Roscius Lupus Murena (Masc, senator), ref: PIR R 0095 | PIR ID11461
• M. Roscius Murena (Masc, senator), ref: PIR R 0096 | PIR ID11462
• M. Roscius Murena (Masc, senator), ref: PIR R 0097 | PIR ID11463
• L. Roscius Paculus (Masc, senator), ref: nota PIR2 vol. VII 1 p. 80 | PIR ID11464
• L. Roscius Paculus Papirius Aelianus (Masc, senator), ref: nota PIR2 vol. VII 1 p. 80 | PIR ID11465
• Roscius Potitus Memmianus Roscius Potitius Memmianus (Masc, senator), ref: PIR R 0098 | PIR ID11466
• Roscius Potitus Memmianus Roscius Potitius Memmianus (Masc, senator), ref: PIR R 0098 | PIR ID11466