s.w. dial. Also stroyl. Couch-grass and other weeds with long creeping root-stocks.
1758. Borlase, Nat. Hist. Cornw., 87. Manures arising from putrefaction, burning the stroil, and the fæces of animals.
1796. W. H. Marshall, W. Eng., I. 331. Stroyl: couch, or other weeds; or roots of weeds: especially what harrow up, or rake out of the soil; whether in the field, or the garden.
1845. Jrnl. R. Agric. Soc., VI. II. 425. The stroil, roots, and weeds are collected and burned.