carrier means: A truck, or railroad company that is licensed and registered to transport merchandise. Common carrier. (in Cooking Dictionary)

What else does carrier mean?

A person who transports and conveys. (in Merlin Dictionary)

A person or business that transports passengers or goods, (in Merlin Dictionary)

Mechanism or device that allows something to be conveyed or performed. (in Merlin Dictionary)

An animal or person who has the disease-causing agent but does not show symptoms. (in Merlin Dictionary)

A person who possesses one recessive gene. The trait is not expressed by a carrier but can be expressed when it’s mated to another carrier. (in Merlin Dictionary)

Boson: A gauge boson is a boson that can convey a force to subatomic particles or mediate their interaction. (in Merlin Dictionary)

The carrier wave. (in Merlin Dictionary)

An entity that carries charge, such as an electron or hole in a semiconductor. (in Merlin Dictionary)

A company that provides insurance and underwriting services. (in Merlin Dictionary)

Telecommunications companies. (in Merlin Dictionary)