A yearling bullock or heifer.
- ‘The use of markets is prohibited for pregnant stock, stirks under six months and lambs under 12 weeks.’
- ‘By the end of the day, the overall top price was £724 for a stirk from Messrs J & P Thomson, Garth, South Ronaldsay.’
- ‘The odd dairy cow made £530, stirks ranged from £150 - £450 and stronger stores made up to £492.’
- ‘Indeed the Lairig an Laoigh can be translated as the pass of the stirks, or calves.’
- ‘Handily, there is a glossary, so that you, too, will know that a tufter is an old hound, and a stirk is a shorthorned bullock.’
Old English stirc, perhaps from stēor steer + -oc (see -ock).