Lewis & Short

sērĭa, ae, f., a cylindrical earthen vessel for preserving liquids, fruit, salted provisions, etc., a large jar: relevi omnia dolia, omnes serias, Ter. Heaut. 3, 1, 51; Cato, R. R. 12; Varr. R. R. 3, 2, 8; Col. 12, 52, 14; Plaut. Capt. 4, 4, 9; Liv. 24, 10; Pers. 2, 11; Dig. 50, 16, 206.