(1)
Noun – The season that comes after winter (beginning usually March or April in the Northern Hemisphere). It is known for flowers beginning to bloom and animals becoming more active after the weather warms up.
Example: Spring is finally here! I thought the snow would never melt!
(2) Noun – 
A small spiraled piece of metal, often used in mattresses.
Example: The spring in this bed is broken. It is so uncomfortable to sleep on.
(3) Verb – To jump up quickly or with energy.
Example: He sprang out of bed as soon as his alarm rang.