Charlton T. Lewis, Charles Short, A Latin Dictionary

I.covered with the pilleus or felt-cap, wearing the pilleus (this was worn in Rome at entertainments, shows, and festivals, esp. at the Saturnalia; “slaves received it at their manumission as a token of freedom): pilleati aut lana alba velatis capitibus volones epulati sunt,” Liv. 24, 16 fin.: “rex,” id. 45, 44: “colonorum turba pilleatorum currum sequentium, like a general's freedmen,” id. 33, 23: nec per omnia nos similes esse pilleatae turbae voluisses, i. e. the Roman populace, who wore the pilleus at the Saturnalia, Sen. Ep. 18, 3; so, “pilleata Roma,” Mart. 11, 6, 4: tantum gaudium (mors Neronis) publice praebuit, ut plebs pilleata totā urbe discurreret (as a sign of liberation from slavery). Suet. Ner. 57: ad Parthos procul ite pilleatos, the bonneted Parthians, of whose ordinary apparel the pilleus was a part, Mart. 10, 72, 5; cf. Aur. Vict. Caes. 13, 3; Paul. Nol. Carm. 17, 242: “pilleati fratres,” i. e. Castor and Pollux, Cat. 37, 2: pilleati servi. bonneted slaves, i. e. slaves offered for sale with a pilleus on, to indicate that the seller did not warrant them, Gell. 7, 4, 1 sqq.