trulleus
From LSJ
οὕτως εἴη ἡμίν ὁ Θεός βοηθός καὶ τὸ ἱερὸν Αὐτοῦ Εὐαγγέλιον ὧδε ἐμφανισθέντα-ὁρκισθέντα → so help us God and Ηis holy Gospel the things here declared and sworn
trullĕus,¹⁴ ī, m., cuvette : Plin. 34, 7 ; Lucil. Sat. 511.
trulleus, i. m. :: 盥水盆