DROP

noun

1. A small quantity of liquid, just large enough to hold its own round shape via surface tension, especially one that falls from a source of liquid.
2. A very small quantity of liquid, or (by extension) of anything.
3. (now especially with "the") Alcoholic spirits in general.

verb

1. To fall in droplets (of a liquid).
2. To drip (a liquid).
3. Generally, to fall (straight down).