Definition of "yark"

yark¹

/jɑːk/

verb
third-person singular simple present yarks, present participle yarking, simple past and past participle yarked
1. (transitive, UK dialectal) To make ready; prepare.
  Quotations
  [...] Yet thou hast given us leather to yark, and leather to bark, [...]
  1881, Walter Gregor, Notes on the Folk-Lore of the North-East of Scotland
2. (transitive, obsolete) To dispose; be set in order for; be destined or intended for.
3. (transitive, obsolete) To set open; open.

yark²

/jɑːk/

verb
third-person singular simple present yarks, present participle yarking, simple past and past participle yarked
1. To draw (stitches etc.) tight.
2. To hit, strike, especially with a cane or whip.
3. To crack (a whip).
  Quotations
  he would throw a Dagger, and make a whip to yarke and lash [tr. faisoit craqueter], as cunningly as any Carter in France.
  1603, Michel de Montaigne, translated by John Florio, The Essayes […], London: […] Val[entine] Simmes for Edward Blount […]