battalion
noun
[ bəˈtalɪən ]
• a large body of troops ready for battle, especially an infantry unit forming part of a brigade.
Similar:
unit,
regiment,
brigade,
force,
garrison,
division,
squadron,
squad,
company,
section,
detachment,
contingent,
legion,
corps,
troop,
group,
cohort,
Origin:
late 16th century: from French bataillon, from Italian battaglione, from battaglia ‘battle’, from Latin (see battle).