From Longman Dictionary of Contemporary Englishteam up phrasal verbJOIN AN ORGANIZATIONto join with someone in order to work on something with You can team up with one other class member if you want. → team→ See Verb tableFrom Longman Business Dictionaryteam up phrasal verb [intransitive] to join with someone in order to work on somethingThe two companies will team up to develop new database software. → team→ See Verb table