Lewis Short
rŏsāles escae (noun N) : id.
* An annual feast, when the tombs were adorned with garlands of roses, the feast of roses; cf. our Decoration day, Inscr. Orell. 4419; cf.: ROSAE ET ESCAE,ib. 4418.—The ceremony of hanging up the garlands was called , n., Inscr. Maff. Mus. Veron. 146, 3.
Charlton T. Lewis, Charles Short, A Latin Dictionary