tubilustrium
From LSJ
Latin > English (Lewis & Short)
tŭbĭlustrĭum: or tŭbŭlustrĭum, ii, n. tuba-lustro,
I a festival held on the 23d of March and 23d of May, when the trumpets used at sacrifices were purified, the feast of trumpets: dies tubulustrium appellatur, quod eo die in atrio sutorio sacrorum tubae lustrantur, Varr. L. L. 6, § 14 Müll. (cf. Ov. F. 3, 849).—Also plur.: tubilustria, Ov. F. 5, 725; cf. Fest. p. 352 Müll.
Latin > French (Gaffiot 2016)
tŭbĭlūstrĭum (tŭbŭl-), ĭī, n., (tuba, lustrum 2), fête de purification pour les trompettes employées dans les sacrifices : Varro L. 6, 14 || pl., Ov. F. 5, 725 ; Fest. 352, 21.