Definition of docken in English:

docken

noun

Scottish
  • another term for dock (the plant)
    • ‘After thoroughly double-digging my fruit plot before planting, I've discovered a huge docken has just appeared through the thick mulch.’
    • ‘He surveyed the grounds with their hen-houses, rust-bound corrugated iron sheds, broken down tractors, potato patches and clothes poles chest high in dockens with full heads of seeds.’

Origin

Late Middle English: apparently from Old English doccan, plural of docce (see dock).

Pronunciation:

docken

/ˈdɒk(ə)n/