also: ちーむめーと
noun
teammate
Standard loanword for a fellow member of a sports team, work group, or collaborative project.
彼は私のチームメイトです。
He is my teammate.
チームメイトと協力してプロジェクトを完成させた。
I worked with my teammates to complete the project.
Most common katakana spelling.
Alternate katakana spelling; less common but still used.
Loanword from English 'teammate'.