[f. STRUNT sb.1] trans. To cut short, esp. to dock the tail of (a horse or sheep). Hence Strunted ppl. a.

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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.

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1703.  Thoresby, Lett. to Ray, Strunted pp., cut off short.

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1828.  Carr, Craven Gloss., Strunt, to dock a horse’s tail.

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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.

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