They contended, disputed, or litigated, one with another, vehemently. (IDrd, K.)
2.
Also, (K,) or تداعكا, said of two men, (S,) They contended together, smiting one another; synonym تَمَرَّسُوا, (K,) or تَمَرَّسَا; (S;) contended, or conflicted; (IF, TA;) فِى الحَرْبِ [in war, battle, or fight]. (IF, S, K.)