Definition of predormital in US English:

predormital

(also praedormital)

adjective

  • Occurring or experienced in the period immediately before falling asleep.

Origin

1930s; earliest use found in The British Medical Journal. From pre- + classical Latin dormīt-, past participial stem of dormīre to sleep + -al.

Pronunciation

predormital

/priːˈdɔːmɪtl/