drop

from The American Heritage® Dictionary of the English Language, 5th Edition.

• noun The smallest quantity of liquid heavy enough to fall in a spherical mass.
• noun Liquid medicine administered in drops.
• noun A small quantity of a substance.
• noun Informal An alcoholic drink.
• noun A trace or hint.
• noun Something, such as an earring, shaped or hanging like a drop.
• noun A small globular piece of hard candy.
• noun The act of falling; descent.
• noun A swift decline or decrease, as in quality, quantity, or intensity.
• noun The vertical distance from a higher to a lower level.
• noun The distance through which something falls or drops.
• noun A sheer incline, such as the face of a cliff.
• noun A descent or delivery of something by parachute.
• noun Personnel and equipment landed by means of parachute.
• noun Something, such as a trapdoor on a gallows, that is arranged to fall or be lowered.
• noun A drop curtain.
• noun A slot through which something is deposited in a receptacle.
• noun A central place or establishment where something, such as mail, is brought and subsequently distributed.
• noun A predetermined location for the deposit and subsequent removal of secret communications or illicit goods, such as drugs.
• noun The act of depositing such communications or materials.
• noun Electronics A connection made available for an input or output unit on a transmission line.
• intransitive verb To fall in drops.
• intransitive verb To fall from a higher to a lower place or position.
• intransitive verb To become less, as in number, intensity, or volume.
• intransitive verb To move or descend from one height or level to another.
• intransitive verb To fall or sink into a state of exhaustion or death.
• intransitive verb To pass or slip into a specified state or condition.
• intransitive verb Sports To fall or roll into a basket or hole. Used of a ball.
• intransitive verb To let fall by releasing hold of.
• intransitive verb To let fall in drops.
• intransitive verb To cause to become less; reduce.
• intransitive verb To cause to fall, as by hitting or shooting.
• intransitive verb Sports To hurl or strike (a ball) into a basket or hole.
• intransitive verb To give birth to. Used of animals.
• intransitive verb To say or offer casually.
• intransitive verb To write at one's leisure.
• intransitive verb To cease consideration or treatment of.
• intransitive verb To terminate an association or a relationship with.
• intransitive verb To leave unfinished.
• intransitive verb To leave out (a letter, for example) in speaking or writing.
• intransitive verb To leave or set down at a particular place; unload.
• intransitive verb Informal To spend, especially lavishly or rashly.
• intransitive verb To airdrop (supplies, for example).
• intransitive verb To lower the level of (the voice).
• intransitive verb To lose (a game or contest, for example).