Obs. rare. Also iker. [Origin and meaning unknown; possibly a corruption of niker, NICKER, water-sprite. Cf. also EAGRE.]
c. 1300. K. Alis., 6175. They woneth in water, y-wis, With eker [v.r. Iker] and fysch. Ibid., 6202. He say the ekeris wonynge And the fysches lotynge.