Definition of widden-dream in US English:

widden-dream

(also widden-dreme, wudden-dream)

noun

Scottish
literary
  • A state of mental disturbance or confusion; madness, frenzy; a wild fit. Also: a nightmare (literal and figurative). Frequently in "in a widden-dream": all of a sudden.

Origin

Old English; earliest use found in Harley Glossary. Probably an alteration of an unattested Old English compound *wēden-drēam (from wēden raving, frenzied, mad + dream), after Old English wōd-drēam and wōd drēam.

Pronunciation

widden-dream

/ˈwɪd(ə)ndriːm/