adagagium Save Du Cange ADAGAGIUM, vulgari pronuntiatione, pro Adaquagium, irrigatio, usus aquæ ad prata irriganda, Gall. Arrosement. Charta ann. 1471. ex Cam. Comput. Aquens. in Reg. sign. Columba fol. 282 : Adagagium ipsum funditus vetent. Vide infra Adaquagium.