drop

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.

Put three drops of oil into the mixture.

A very small quantity of liquid, or (by extension) of anything.

asked for just a drop more tea; she was thirsty and there wasn't a drop of water to be found

(now especially with "the") Alcoholic spirits in general.

It doesn't matter where you're from; anyone who enjoys the drop is a friend of mine.

That which resembles or hangs like a liquid globule: a hanging diamond ornament or earring, a glass pendant on a chandelier, etc.

A thing which drops or hangs down:

A fall, descent; an act or instance of dropping.

That was a long drop, but fortunately I didn't break any bones.

A release (of music, a vdeo game, etc).

A decline in quantity, quality, rate, or degree; a decline (when going from one value to another).

a drop in demand for oil resulted in a drop in prices

A thing, person, etc which is dropped:

An unsolicited credit card issue.

The amount of money that a gambler exchanges for chips in a casino.

The distance below a cliff or other high position into which someone or something could fall; the distance to which someone or something drops; a steep slope.

On one side of the road was a 50-foot drop.

The vertical length of a hanging curtain.

The depth of a (square) sail (generally applied to the courses only); the vertical dimension of a sail.

The distance of the axis of a shaft below the base of a hanger.

A place where items or supplies may be left for others to collect, whether openly (as with a mail drop) or secretly or illegaly (as in espionage or crime); a drop-off point.

I left the plans at the drop, like you asked.

A drop-back.

The Tiger quarterback took a one-step drop, expecting his tight end to be open.

(Rugby football) A drop-kick.

A drop target.