1. people or companies that transport goods or passengers
2. people or animals that carry and can transmit a disease without showing symptoms
Usage: medical
3. large warships designed to carry and launch aircraft
Usage: nautical; military

Examples

• The mail carriers delivered packages despite the storm.
• Several shipping carriers offer overnight delivery services.
• Some people are carriers of the virus but never get sick.
• The navy deployed three aircraft carriers to the region.
• Baby carriers make it easier to transport infants safely.
• The phone carriers announced new data plans this week.