Shotgun (noun)

1. A type of firearm that uses a smooth bore barrel, and fires a number of small pellets called shot, instead of a single projectile.
2. A vehicle, typically a pickup truck, with a large open back used to transport people or cargo.
3. A position in a group or organization that gives one power or influence over others.

Origin:

Shotgun first recorded in the early 18th century, it comes from the phrase "shot gun" which referred to a gun that shot multiple small pellets at once.

Examples:

1. He went hunting with a shotgun.
2. The shotgun was used to shoot clay pigeons.
3. The group drove to the concert in a shotgun.
4. He was given the shotgun seat in the car.
5. He was elected as the shotgun of the organization.