adv. Obs.; also 6 a-coast. [a. OFr. a coste (mod. Fr. à côte), f. a to, at + coste side:—L. costa rib, in late L., side. Afterwards treated as if formed on Eng. A prep.1 + COAST in its restricted sense of ‘side of the land.’]
1. On or by the side; beside; aside; at one side.
c. 1300. K. Alisaunder, 6485. On a grene wode acost Verrament, ther he fond Wymmen growing out of the ground. Ibid., 6028. Feorre about, and eke acost, He sente his messangers bet.
c. 1330. Arthour & Merlin, 7613. Forth thai passeth this lond acost.
2. Ashore. See ACOAST.
