Sc. Also korkir. [Gaelic corcur: see CORK sb.2] A kind of lichen furnishing a red dye: see CORK sb.2
1703. M. Martin, W. Isl., 135 (Jam.). The stones on which the scurf call’d Corkir grows … on the coast, and in the hills. This scurf dyes a pretty crimson colour.
1760. Pocock, Tour Scot. (1881), 92. Two seaweeds for dying grow on the stones there, Corkir for crimson and Crottil for Philamorte.
1775. L. Shaw, Hist. Moray, 156 (Jam. s.v. Korkie).
1856. Lindsay, Brit. Lichens, 225. This Lichen [Lecanora tartarea] is the ‘Cork’ or ‘Korkir’ of many parts of the Highlands.
