carrier

noun
car·​ri·​er | \ ˈker-ē-ər How to pronounce carrier (audio) , ˈka-rē- \
plural carriers

Definition of carrier

1 : one that carries : bearer, messenger
2a : an individual or organization engaged in transporting passengers or goods for hire
b : a transportation line carrying mail between post offices
c : a postal employee who delivers or collects mail
d : one that delivers newspapers
e : an entity (such as a hole or an electron) capable of carrying an electric charge
3a : a container for carrying
b : a device or machine that carries : conveyor
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 it — compare reservoir sense 3a, vector entry 1 sense 2a
b : 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 insecticide
b : 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.
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Recent Examples on the Web There's still a small chance a vaccinated person can become infected with Covid-19, or be a carrier and transmit it to others. Sandee Lamotte, CNN, "15 of the safest activities for the fully vaccinated -- with and without face masks," 28 Apr. 2021 Alaska Airlines is the only commercial air carrier currently flying between Juneau and Anchorage. Becky Bohrer, Star Tribune, "Alaska senator drives, takes ferry after airline suspension," 26 Apr. 2021 General Dynamics declined to release an official image of its vehicle, but the image above is the infantry carrier with a 50-millimeter gun. Kyle Mizokami, Popular Mechanics, "One of These Fighting Vehicles Could (Finally!) Replace the Army's M2 Bradley," 21 Apr. 2021 JetBlue is the seventh largest U.S. carrier, with a 4.7 percent share of the passenger market. Randy Diamond, San Antonio Express-News, "JetBlue to launch service from San Antonio to New York and Boston," 21 Apr. 2021 Delta Air Lines is the only U.S. carrier still blocking middle seats in economy, and that practice will end May 1. Elinor Aspegren, USA TODAY, "California, Washington open up vaccine eligibility; empty middle seats on flights reduce exposure, CDC says: Live COVID-19 updates," 16 Apr. 2021 Analysts believe that Allegiant Air, a smaller airline geared to leisure travel, will be the first sizeable US carrier to turn a profit, but not until the second quarter. BostonGlobe.com, "A $1.2 billion loss for Delta, but recovery is on the radar," 15 Apr. 2021 Analysts believe that Allegiant Air, a smaller airline geared to leisure travel, will be the first sizeable U.S. carrier to turn a profit, but not until the second quarter. David Koenig, ajc, "A $1.2 billion loss for Delta, but recovery is on the radar," 15 Apr. 2021 Delta is the last U.S. carrier to lift a social-distancing policy that began more than a year ago. Melody Petersen Staff Writer, Los Angeles Times, "Coronavirus Today: Our progress on vaccine equity," 15 Apr. 2021

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.

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First Known Use of carrier

14th century, in the meaning defined at sense 1

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Time Traveler for carrier

Time Traveler

The first known use of carrier was in the 14th century

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Statistics for carrier

Last Updated

8 May 2021

Cite this Entry

“Carrier.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/carrier. Accessed 16 May. 2021.

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More Definitions for carrier

carrier

noun

English Language Learners Definition of carrier

: a container used to move something from one place to another
: a company that moves people or goods from one place to another
: a person or animal that can give a disease or a gene to others but is not affected by it

carrier

noun
car·​ri·​er | \ ˈker-ē-ər How to pronounce carrier (audio) \

Kids Definition of carrier

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

carrier

noun
car·​ri·​er | \ ˈkar-ē-ər How to pronounce carrier (audio) \

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 sense 2, vector entry 1 sense 2
b : 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: as
a : a support for a catalyst
b : 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

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carrier

noun
car·​ri·​er

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

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