A banana is a long, curved tropical fruit with a thick yellow peel and soft, sweet white flesh inside. Bananas grow in large bunches on tall plants (not trees, though they look like trees) in warm, humid regions near the equator. When you peel a banana, you pull back strips of the thick skin to reveal the edible fruit inside.

Bananas are one of the world's most popular fruits. They're easy to eat, naturally packaged, and full of energy. Athletes often eat bananas before competitions because they provide quick fuel without weighing you down. The fruit tastes mildly sweet and has a creamy texture that makes it perfect for smoothies, banana bread, or just eating plain.

The word banana can also describe something curved like the fruit. A skateboarder might complain that their board has a banana shape after landing wrong. When someone goes bananas, they're acting wild or very silly. People sometimes call something silly or absurd bananas.

Interestingly, the bananas we eat today are almost all one variety called Cavendish. They replaced an earlier popular variety that was badly damaged by disease in the 1950s, showing how vulnerable our food supply can be when we rely on just one type of plant.