Definition of carrier
2a : an individual or organization engaged in transporting passengers or goods for hireb : a transportation line carrying mail between post officesc : a postal employee who delivers or collects maild : one that delivers newspaperse : an entity (such as a hole or an electron) capable of carrying an electric charge
3a : a container for carryingb : a device or machine that carries : conveyor
4 : aircraft carrier
5a : a bearer and transmitter of a causative agent of an infectious disease; especially : one who carries the causative agent of a disease systemically but is asymptomatic or immune to itb : an individual (such as one heterozygous for a recessive trait) having a specified gene that is not expressed or only weakly expressed in its phenotype
6a : a usually inactive accessory substance : vehicle a carrier for a drug or an insecticideb : a substance (such as a catalyst) by whose agency some element or group is transferred from one compound to another
7a : an electromagnetic wave or alternating current whose modulations are used as communications signals (as in radio, telephonic, or telegraphic transmissions)b : a telecommunication company
8 : an organization acting as an insurer
Examples of carrier in a Sentence
I put the pet carrier in the car.
The airline is the nation's largest carrier.
Mosquitoes can be carriers of malaria.
Recent Examples of carrier from the Web
For Emirates, its Dubai hub has grown into the world’s busiest airport for international traffic, in large part thanks to the long-haul carrier’s expansion.
As a July 5 deadline to meet a 13-point list of tough demand looms, government maneuvering that’s kept food in markets, tourists in hotels and the national carrier in the air is paying off.
Carriers that don’t comply or agree to a plan to do so could face fines, a ban on laptops in the cabin and the cargo hold, or a ban on flying to the U.S., the official added.
The structure gave evidence that DNA is the carrier of heredity and showed how the molecule replicates itself.
Chloe flew out of the cat carrier like a bat out of hell, eventually settling herself somewhere under my bed.
To keep fruit pristine, lay these protective carriers horizontally in your tote.
While domestic economy travel increasingly becomes an exercise in masochism, some international carriers have been piling on the pampering in first class.
The surge in patients typically increases the need for laboratory testing or surveillance of insects, rodents or other carriers of illness—
These example sentences are selected automatically from various online news sources to reflect current usage of the word 'carrier'. Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
First Known Use of carrier
CARRIER Defined for Kids
Definition of carrier for Students
1 : a person or thing that carries a mail carrier
2 : a person or business that transports passengers or goods or provides a certain service
3 : a person, animal, or plant that carries disease germs without showing symptoms and passes them on to others
Medical Definition of carrier
1a: a person, animal, or plant that harbors and transmits the causative agent of an infectious disease; especially : one who carries the causative agent systemically but is asymptomatic or immune to it a carrier of typhoid fever—compare reservoir 2, vector 2b: an individual possessing a specified gene and capable of transmitting it to offspring but not expressing or only weakly expressing its phenotype; especially : one that is heterozygous for a recessive factor
2: a usually inactive substance used in association with an active substance especially for aiding in the application of the active substance: asa: a support for a catalystb: a vehicle serving especially as a diluent (as for an insecticide or a drug)
3: a substance (as a catalyst) by whose agency some element or group is transferred from one compound to another
Legal Definition of carrier
1 : an individual or entity engaged in transporting passengers or goods for hire by land, water, or air; specifically : common carrier
2 : an insurer that assumes the risks of a policy that it issues to a policyholder
Seen and Heard
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