drop
noun
°A small mass of liquid just large enough to hold its own weight via surface tension, usually one that falls from a source of liquid.
"Put three drops of oil into the mixture."
°The space or distance below a cliff or other high position into which someone or something could fall.
"On one side of the road was a 50-foot drop."
verb
°To fall.
"A single shot was fired and the bird dropped from the sky."
°To lessen, decrease, or diminish in value, condition, degree, etc.
"The stock dropped 1.5% yesterday."