A. adj. Of the wind: Easterly. B. adv. In an easterly direction.
1725. Ramsay, Gentle Sheph., I. ii. This [elm] shields the other frae the eastlin blast.
1768. Ross, Helenore, 58 (Jam.). Ay hading eastlins, as the ground did fa.
1789. Burns, Lett. J. Tennant, 7. This blae eastlin wind.