squadron

[skwod-ruh n]

noun

a portion of a naval fleet or a detachment of warships; a subdivision of a fleet.
an armored cavalry or cavalry unit consisting of two or more troops, a headquarters, and various supporting units.
(in the U.S. Air Force).
  1. the basic administrative and tactical unit, smaller than a group and composed of two or more flights.
  2. a flight formation.
a number of persons grouped or united together for some purpose; group.

verb (used with object)

to form into a squadron or squadrons; marshal or array in or as if in squadrons.

Origin of squadron

1555–65; < Italian squadrone, equivalent to squadr(a) square + -one augmentative suffix
Related formshalf-squad·ron, nounsub·squad·ron, noun
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

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British Dictionary definitions for squadron

squadron

noun

  1. a subdivision of a naval fleet detached for a particular task
  2. a number of naval units usually of similar type and consisting of two or more divisions
a cavalry unit comprising two or more troops, headquarters, and supporting arms
the basic tactical and administrative air force unit comprising two or more flights
Abbreviation: sqn

Word Origin for squadron

C16: from Italian squadrone soldiers drawn up in square formation, from squadro square
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for squadron
n.

1560s, from Italian squadrone, augmentative of squadra "battalion" (see squad).

Online Etymology Dictionary, © 2010 Douglas Harper