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English definition of “captain”

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captain

noun uk   /ˈkæp.tɪn/ us    /-tən/
B1 [C] the leader of a sports team: It's unusual to have a goalkeeper as (the) captain of a football team.B2 [C] the person in charge of a ship or an aircraft: This is your captain speaking. We expect to be landing at Osaka Kansai airport in an hour's time. [C] ( also Captain) an officer's rank in the British army or navy, or in the US air force, Marine Corps, Coast Guard, or the US police and fire departments: The captain gave him his orders. Captain Lane/Alex Lane [as form of address] Yes, Captain.
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captain

verb [T] uk   /ˈkæp.tɪn/ us    /-tən/
to lead and be the captain of a team, military group, ship, or aircraft: She captained the Canadian ice hockey team for three years.
captaincy
noun [C or U] uk   /-si/ us  
(Definition of captain from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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