عرف

6 تعارفوا ذ They knew, or were acquainted with, one another. (S, O, K.) ― -b2- And i. q. تَفَاخَرُوا [i. e. They vied, competed, or contended for superiority, in glorying, or boasting, or in glory, &c.; or simply they vied, one with another ]: it occurs in a trad., or, as some relate it, with ز; and both are expl. as having this meaning. (TA.)