1. To let fall to the ground
2. To fall vertically
3. To go down in value
4. To leave or unload, esp. of passengers or cargo; SYN. set down, put down, unload.
5. To utter casually
6. To lose (said of games, in sports)
7. To stop pursuing or acting; SYN. knock off.
8. To terminate an association with
9. To give birth; used for animals
10. To change from one level to another

ETYM Old Eng. drope, as. dropa.
1. The act of dropping something.
2. A small quantity of liquid; SYN. driblet.
3. A shape that is small and round; SYN. bead, pearl.
4. A sharp decrease in some quantity; SYN. fall.
5. A free and rapid descent by the force of gravity; SYN. fall, falling.
6. A predetermined hiding place for the deposit and distribution of illicit goods (such as drugs or stolen property).
7. A central depository where things can be left or picked up.
8. A connection between a terminal and a subscriber.