[f. STRUNT sb.1] trans. To cut short, esp. to dock the tail of (a horse or sheep). Hence Strunted ppl. a.
1688. R. Holme, Armoury, II. 176/2. Terms used by Shepheards . Strunted sheep, is when their Tails are cut off to keep them from Dunging them, and breeding of Maggots therein.
1703. Thoresby, Lett. to Ray, Strunted pp., cut off short.
1828. Carr, Craven Gloss., Strunt, to dock a horses tail.
1889. N. W. Linc. Gloss. (ed. 2), Strunt, to dock the tail of a horse; sometimes, though very rarely, used with regard to sheep also.