Nightfall
Part of speech: noun
Definition: The close of the day; the coming of night.
Fall
Part of speech: noun
Definition: The act of moving in a fluid or vacuum under the effect of gravity to a lower position.A reduction in quantity, pitch, etc.Autumn.A loss of greatness or status.The action of a batsman being out.A defect in the ice which causes stones thrown into an area to drift in a given directionBlame; punishmentSee falls
Part of speech: verb
Definition: To move to a lower position under the effect of gravity.To come down, to drop or descend.To come to the ground deliberately, to prostrate oneself.To be brought to the ground.To collapse; to be overthrown or defeated.To die, especially in battle.To be allotted to; to arrive through chance or fate.To become lower (in quantity, pitch, etc).To become; to be affected by or befallen with a calamity; to change into the state described by the adjective that follows; to become prostrated literally or figuratively .To become.To cause something to descend to the ground; especially to cause a tree to descend to the ground by cutting it down.
Example sentence: Jump, and you will find out how to unfold your wings as you fall.