Definitions of drop:

• noun:   the act of dropping something

  Example: "They expected the drop would be successful"

• noun:   a central depository where things can be left or picked up
• noun:   a sudden sharp decrease in some quantity

  Example: "A drop of 57 points on the Dow Jones index"

• noun:   a free and rapid descent by the force of gravity

  Example: "It was a miracle that he survived the drop from that height"

• noun:   a predetermined hiding place for the deposit and distribution of illicit goods (such as drugs or stolen property)
• noun:   a small quantity (especially of a liquid)

  Example: "One drop of each sample was analyzed"

• noun:   a shape that is small and round

  Example: "He studied the shapes of low-viscosity drops"

• noun:   a steep high face of rock

  Example: "A steep drop"

• noun:   a curtain that can be lowered and raised onto a stage from the flies; often used as background scenery
• verb:   terminate an association with

  Example: "Drop him from the Republican ticket"

• verb:   stop pursuing or acting

  Example: "Drop a lawsuit"

• verb:   go down in value

  Example: "Stock prices dropped"

• verb:   change from one level to another

  Example: "She dropped into army jargon"

• verb:   give birth; used for animals

  Example: "The cow dropped her calf this morning"

• verb:   utter casually

  Example: "Drop a hint"

• verb:   lose (a game)

  Example: "The Giants dropped 11 of their first 13"

• verb:   leave or unload, especially of passengers or cargo;
• verb:   to fall vertically

  Example: "The bombs are dropping on enemy targets"

• verb:   let fall to the ground

  Example: "Don't drop the dishes"

• verb:   lower the pitch of (musical notes)
• verb:   cause to fall by or as if by delivering a blow
• verb:   fall or drop to a lower place or level
• verb:   pay out
• verb:   hang freely

  Example: "The light dropped from the ceiling"

• verb:   grow worse
• verb:   let or cause to fall in drops
• verb:   stop associating with

  Example: "They dropped her after she had a child out of wedlock"

• verb:   leave undone or leave out
• verb:   get rid of
• name:  A surname (very rare: popularity rank in the U.S.: #57536)