مَرِسٌ
1.
A strong man: (TA:) or a man (S) strong, or vehement, in labour or exertion: (S, M:) and strong, experienced in affairs, and who has laboured, or exerted himself, in the management, or transaction, thereof: plural أَمْرَاسٌ. (TA.) You say also, إِنَّهُ لَمَرِسٌ حَذِرٌ, meaning, Verily he is strong in the waging of wars. (TA.)