She became herتِرْب; (M, K;) [i. e.] she (a girl) matched her, namely, another girl; she was, or became, her match, fellow, or equal; synonym حَاذَتْهَا. (A, TA.)
2.
[The verbal noun] مُتَارَبَةٌ also signifies The associating, or consorting, ofأَتْرَابٌ [plural of تِرْبٌ, q. v.]. (K.)