That boy is so attractive I drool whenever I see him.
When a baby has saliva dripping from his mouth, this is an example of a situation where a baby drools.
When you really admire and love your friend's new kitchen, this is an example of a situation where you might say you drool over her kitchen.
Saliva that drips or falls from the mouth is an example of drool.
Origin of drool
- Perhaps alteration of drivel
From American Heritage Dictionary of the English Language, 5th Edition