Packer (noun)

1. A person or machine that packs goods or material.
2. A worker who packs meat or other food products.
3. A machine used in oil or gas wells to pack or consolidate the surrounding rock and prevent fluid from flowing into unwanted areas.
4. A football team from Green Bay, Wisconsin, USA.
5. A type of shoe with a high, thick sole for increased support and protection.

Origin:

The origin of the word 'packer' is uncertain. it has been in use since the 19th century.

Examples:

1. The packer carefully packed the fragile items in the box.
2. The packer packed the beef into the packages.
3. The packer was used to pack the sand and gravel in the borehole.
4. The Packers won the Super Bowl in 1966.
5. The packer is a type of shoe suitable for hiking and climbing.