Definitions:
let or make (something) fall vertically

fall vertically

make or become lower, weaker, or less

abandon or discontinue (a course of action or study)

set down or unload (a passenger or goods), especially on the way to somewhere else

(in sport) fail to win (a point or a match)

be forced to play (a relatively high card) as a loser under an opponent's higher card, because it is the only card in its suit held in the hand

a small round or pear-shaped portion of liquid that hangs or falls or adheres to a surface

an instance of falling or dropping

a delivery

a small, round sweet or lozenge

an earring that hangs down from the earlobe

a section of theatrical scenery lowered from the flies; a drop cloth or drop curtain.

a trapdoor on a gallows, the opening of which causes the prisoner to fall and thus be hanged