Hawk (noun)

1. A bird of prey with broad rounded wings and a hooked bill, typically catching prey by diving on it from the air.
2. A person who sells goods or services in an aggressive and persistent manner.

Origin:

Middle english hauke, from old english hafoc, from latin accipiter.

Examples:

1. The park was full of hawks searching for their next meal.
2. The door-to-door salesman was such a hawk that he could sell anything to anyone.
3. The hawk swooped down and caught a squirrel in its talons.
4. The hawk circled overhead, watching for any signs of movement.
5. The young boy was fascinated by the beauty and grace of the hawk.