Definition of drowses:
(v) :
(intransitive) Often followed by away or off: to be drowsy or sleepy; to be half-asleep.
(n) :
An act, or a state, of being drowsy or sleepy.
(v) :
(intransitive) (figurative) To be dull or inactive, as if from sleepiness.
(v) :
(transitive) To make (someone or something) heavy with drowsiness or sleepiness.
(v) :
(transitive) Followed by away: to pass (time) drowsily or in sleeping; also, to proceed (on a way) drowsily or sleepily.
(v) :
(transitive) (figurative) To make (someone or something) dull or inactive, as if from sleepiness.