Definitions
1.verbTo be sleepy and inactive.
2.verbTo nod off; to fall asleep.
3.verbTo advance drowsily. (Used especially in the phrase "drowse one's way" ⇒ sleepily make one's way.)
4.verbTo make heavy with sleepiness or imperfect sleep; to make dull or stupid.
5.nounThe act of one who drowses.