† aviˈroun,adv.Obs. [prob. a. AF.*aviroun, variant of OF.environ around: see environ, and a- prefix 10.] Round about. c1300K. Alis. 2672 Quykliche to Tebie toun: They wenten and segedyn aviroun.c1320Syr Beves 2533 In this contre aviroun A mette with a vile dragoun.