bird

A bird is a warm-blooded animal that has feathers and wings and lays eggs. Most birds can fly.

Example: A sparrow is a bird and so is a penguin, even though it cannot fly.

When you give someone the bird, you give a vulgar hand gesture where only the middle finger is up.

Example: While I was driving along the highway, someone turned into my lane suddenly, nearly causing an accident. I immediately gave him the bird to show my anger.

A bird is a penis.

When you bird, you try to catch or shoot birds.

When you bird, you look for wild birds in their natural home and try to identify them.