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English definition of “teammate”

teammate

noun [C] (also team mate, team-mate)     /ˈtiːmmeɪt/ HR, WORKPLACE
a person who works or plays on the same team as someone else: Let one of your teammates know if you are going to be late for a team meeting. By getting sent off you let down your team-mates.
(Definition of teammate noun from the Cambridge Business English Dictionary © Cambridge University Press)
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