[? f. LIME sb.1 with reference to the binding quality of the plant; the spelling is app. suggested by the mod.L. generic name.] The name for grasses of the genus Elymus, esp. E. arenarius, a grass which is planted on sand, that its roots may help to keep the sand in its place.
1776. Withering, Bot. Arrangement Veg., I. 64. Lymegrass. Elymus.
1787. trans. Linnæus Fam. Plants, I. 52.
1854. S. Thomson, Wild Fl., III. (ed. 4), 299. The lyme grass (Elymus), by binding the sands with its roots, assists in the resistance to the encroachments of the sea.
b. attrib. in the name of a moth.
1869. E. Newman, Brit. Moths, 275. The Lyme Grass (Tapinostola Elymi).