/ kəmˈpetɪtə(r); NAmE / noun
1.
a person or an organization that competes against others, especially in business :
our main / major competitor
2.
a person who takes part in a competition :
Over 200 competitors entered the race.
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WORD ORIGIN
early 16th cent.: from French compétiteur or Latin competitor , from competit- striven for, from the verb competere , from com- together + petere aim at, seek.