bus
1 Americannoun
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a large motor vehicle, having a long body, equipped with seats or benches for passengers, usually operating as part of a scheduled service; omnibus.
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(formerly) a similar horse-drawn vehicle.
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a passenger automobile or airplane used in a manner resembling that of a bus.
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any vehicle operated to transport children to school.
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a low, movable filing cabinet.
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Also called busbar. Also called bus bar,. Electricity. a heavy conductor, often made of copper in the shape of a bar, used to collect, carry, and distribute powerful electric currents, as those produced by generators.
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Computers. a circuit that connects the CPU with other devices in a computer.
verb (used with object)
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to convey or transport by bus.
to bus the tourists to another hotel.
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to transport (pupils) to school by bus, especially as a means of achieving socioeconomic or racial diversity among students in a public school.
verb (used without object)
idioms
verb (used with or without object)
abbreviation
noun
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Sometimes called: motorbus. More formal name: omnibus. a large motor vehicle designed to carry passengers between stopping places along a regular route
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short for trolleybus
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(modifier) of or relating to a bus or buses
a bus driver
a bus station
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informal a car or aircraft, esp one that is old and shaky
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electronics computing short for busbar
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the part of a MIRV missile payload containing the re-entry vehicles and guidance and thrust devices
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astronautics a platform in a space vehicle used for various experiments and processes
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to miss an opportunity; be too late
verb
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to travel or transport by bus
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to transport (children) by bus from one area to a school in another in order to create racially integrated classes
Other Word Forms
Etymology
Origin of bus1
First recorded in 1825–35; short for omnibus; bus 1 def. 6 short for omnibus bar
Origin of bus2
First recorded in 1830–40; back formation from busboy
Explanation
A bus is a long vehicle with many seats. An elementary school student might save a seat on the school bus each morning for her best friend. A city bus carries far more passengers than a private car, which makes it an efficient form of transportation. When bus is used as a verb, it means to transport by bus, sometimes in an effort to desegregate a school district: "The city will bus students from this neighborhood to the other side of town." It also means "to clear a table" in restaurant lingo, which is often done by a "bus boy" or a "busser."
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
Delaney Hall is in the industrial section of Newark, close to a massive NJ Transit bus garage.
From The Wall Street Journal • Jun. 8, 2026
Northampton came away from The Stoop without the win, but travelled back round the M25 with a pretty big milestone in the bottom of the team bus.
From BBC • Jun. 8, 2026
The city is increasing public transit to the stadium on match days but keeping subway, bus and streetcar prices at normal levels of less than $4 a ride.
From The Wall Street Journal • Jun. 8, 2026
"I'm very excited to see them," said Sadegh Galavi as he watched the players' bus leave the airport in Tijuana, cheered on by about a dozen fans.
From Barron's • Jun. 7, 2026
Today, coming home on the school bus, Chip had gotten obsessed with the idea that he had to see his birth certificate, that it would tell him everything he needed to know.
From "Found" by Margaret Peterson Haddix
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Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.