lăvātĭō, ōnis, f., (lavo),

¶ 1 action de laver, lavage, nettoyage : Varro L. 5, 119 ; P. Fest. 4, 8

¶ 2 bain : Cic. Fam. 9, 5, 3 ; lavatio calida Cels. Med. 1, 3, 71, bain chaud

¶ 3 bain [édifice] : Vitr. Arch. 5, 11, 1

¶ 4 lavatio divina Cypr. Sent. episc. 22, le baptême.