/drowz/ , v. , drowsed, drowsing , n.
v.i.
1. to be sleepy or half-asleep.
2. to be dull or sluggish.
v.t.
3. to pass or spend (time) in drowsing (often fol. by away ): He drowsed away the morning.
4. to make sleepy.
n.
5. a sleepy condition; state of being half-asleep.
[ bef. 900; OE drusian to droop, become sluggish (not recorded in ME); akin to OE dreosan to fall ]