acoys Save Du Cange ACOYS, vox vernacula, Anteris, fulcrum, Gall. Appui, arcboutant, éperon. Inquesta super destructione bastidæ Sabran. ann. 1363. ex Cod. reg. 5956. A : Parietes laterales dicebantur destructi taliter, quod ipsos firmare oportet cum Acoys.