prep. Obs. or dial. Occas. Sc. form of OF, OFF.
1535. Stewart, Cron. Scotl., II. 321. Syne af his hors amang thame fell doun deid.
c. 1620. A. Hume, Orthogr. Brit. Tong. (1865), 9. Af this voual ryseth tuae diphthonges. Ibid., 12. To put our men af their errour.
