Definition of dry out:
(v) :
(colloquial, ambitransitive, idiomatic) To (cause to) sober up; to cease to be drunk; to quit using drugs or alcohol.
(v) :
(transitive) To cause moisture to be completely removed from; to make dry.
(v) :
(intransitive) To have excess water evaporate or be otherwise removed; to become dry.
(v) :
(intransitive, bowling, of a bowling lane) To become less oily, affecting play, after being oiled up.