cross over - definition and synonyms

phrasal verb [intransitive]
present tense
I/you/we/theycross over
he/she/itcrosses over
present participlecrossing over
past tensecrossed over
past participlecrossed over
  1. 2
    to start to belong to a different group or type from before
    cross over into:

    Several Latino singers have crossed over into mainstream rock.

See also main entry: cross