فقح

6 تفاقحوا ذ They put [or turned ] their backs one towards another; (S, K;) [from فَقْحَةٌ, q. v.;] like as you say تَظَاهَرُوا [and تَدَابَرُوا] and [in the contr. sense] تَقَابَلُوا. (S, TA.)