Definition of Charles's Wain in English:

Charles's Wain

proper noun

archaic
  • The Plough in Ursa Major.

Origin

Old English Carles wægn ‘the wain of Carl (Charlemagne)’, perhaps because the star Arcturus was associated with King Arthur, with whom Charlemagne was connected in legend.

Pronunciation

Charles's Wain

/ˌtʃɑːlzɪz ˈweɪn/