v. Obs. rare. [a. occ. MFr. advironne-r for avironner, OFr. avironer to surround; (cf. environ).] To environ, surround.
1475. Caxton, Jason, 17. Jason felte hym self so aduironned on alle sydes by hys enemyes. Ibid. (1483), Gold. Leg., 127/3. Thys lyght of heuen aduyronned hym sodeynly.
