strunt

[struhnt, stroo nt]Scot. and North England
verb (used with object)
  1. to cut short, especially to dock (the tail of a horse or sheep).

Origin of strunt

1600–10; nasalized variant of strut2; compare Norwegian strunta to walk stiffly
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018