trullĕum (trullĭum), i, n. [trulla],
a basin , wash-basin , Varr. L. L. 5, 25, 34; id. ap. Non. 547, 6; Cato R. R. 10, 2.—Called also trullĕus , i, m., Plin. 34, 2, 3, § 7; and trullĭo , ōnis, m., Plin. Val. 3, 38.