predawn

enUK

pre·dawn

P0514900 (prē′dôn′)n. The time just before dawn.
pre′dawn′ adj.

predawn

(priːˈdɔːn) nthe period before dawnadjbefore dawnadvbefore dawn

pre•dawn

(priˈdɔn, ˈpri-)

n. 1. the period immediately preceding dawn. adj. 2. occurring just before dawn. [1945–50]