1 [buhs]
noun, plural buses, busses.
a large motor vehicle, having a long body, equipped with seats or benches for passengers, usually operating as part of a scheduled service; omnibus.
a similar horse-drawn vehicle.
a passenger automobile or airplane used in a manner resembling that of a bus.
any vehicle operated to transport children to school.
a low, movable filing cabinet.
Electricity. Also called bus bar, busbar [buhs-bahr] . 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.
Computers. a circuit that connects the CPU with other devices in a computer.
verb (used with object), bused or bussed, busing or bussing.
to convey or transport by bus: to bus the tourists to another hotel.
to transport (pupils) to school by bus, especially as a means of achieving racial integration.
verb (used without object), bused or bussed, busing or bussing.
to travel on or by means of a bus: We bused to New York on a theater trip.
throw under the bus. throw ( def 57 ).

1825–35; short for omnibus; (def 6) short for omnibus bar

bussed, bust.
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2 [buhs] .
verb (used without object), verb (used with object), bused or bussed, busing or bussing.
to work or act as a busboy or busgirl: She bused for her meals during her student days.

1830–40; back formation from busboy



[maws-bak-er, mos-]
Emil, Jr ("Bus") 1922–1997, U.S. yacht racer and government official.
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Based on the Random House Dictionary, © Random House, Inc. 2014.
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World English Dictionary
bus (bʌs)
n , pl buses, busses
1.  More formal name: omnibus, Sometimes called: motorbus a large motor vehicle designed to carry passengers between stopping places along a regular route
2.  short for trolleybus
3.  (modifier) of or relating to a bus or buses: a bus driver; a bus station
4.  informal a car or aircraft, esp one that is old and shaky
5.  electronics, computing short for busbar
6.  the part of a MIRV missile payload containing the re-entry vehicles and guidance and thrust devices
7.  astronautics a platform in a space vehicle used for various experiments and processes
8.  miss the bus to miss an opportunity; be too late
vb , buses, busses, buses, busing, bused, busses, bussing, bussed
9.  to travel or transport by bus
10.  chiefly (US), (Canadian) to transport (children) by bus from one area to a school in another in order to create racially integrated classes
[C19: short for omnibus]

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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Word Origin & History

1832, abbreviation of omnibus (q.v.). The English word is simply a Latin dative plural ending. The verb meaning "transport students to integrate schools" is first recorded 1961. Verb meaning "clear tables in a restaurant" is first attested 1913, probably from the four-wheeled
cart used to carry dishes. Related: Bused; busing. To miss the bus, in the figurative sense, is from 1915. Busman's holiday "leisure time spent doing what one does for a living" (1893) is probably a reference to London bus drivers riding the buses on their days off.
Online Etymology Dictionary, © 2010 Douglas Harper
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Computing Dictionary

bus definition

architecture, networking
A set of electrical conductors (wires, PCB tracks or connections in an integrated circuit) connecting various "stations", which can be functional units in a computer or nodes in a network. A bus is a broadcast channel, meaning that each station receives every other station's transmissions and all stations have equal access to the bus.
Various schemes have been invented to solve the problem of collisions: multiple stations trying to transmit at once, e.g. CSMA/CD, bus master.
The term is almost certainly derived from the electrical engineering term "bus bar" - a substantial, rigid power supply conductor to which several connections are made. This was once written "'bus bar" as it was a contraction of "omnibus bar" - a connection bar "for all", by analogy with the passenger omnibus - a conveyance "for all".
More on derivation (http://foldoc.org/pub/misc/omnibus.html).
See computer bus or bus network.
The Free On-line Dictionary of Computing, © Denis Howe 2010 http://foldoc.org
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American Heritage
Abbreviations & Acronyms
The American Heritage® Abbreviations Dictionary, Third Edition
Copyright © 2005 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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Example sentences
Now you must delicately solder the sense wire to the bus wire everywhere they
He made arrangements with a friend to drive me in his station wagon to the bus
Bring a book or article to read if you are on the bus.
Protesters gathered on one side of town while the torch was rushed by bus to
  the other.
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