sb. Sc. and north. dial. [Cf. NFris. (Föhr) jīr spurrey.] The corn-spurrey, Spergula arvensis.
1775. Essays Agric., 435. Farmers in Scotland will take notice that this [sc. yarrow] is not the plant known among them by the name of Yarr, spurrey, Spergula.
1812. Souter, Agric. Banff, App. 46. Those lesser weeds that go under the common appellation of skellach, gule, yarr, &c.
1829. Loudon, Encycl. Plants, 390. S[pergula] arvensis is a common weed in sandy soils, in Scotland called yarr.