نحر

نِحْرِيرٌ ذ (S, A, K) and ↓ نِحْرٌ (K) (tropical:) Soundly, or thoroughly, learned; (S;) or skilled or skilful, intelligent, experienced, (A, K, TA,) or, as some say, (TA,) sound in what he does, skilful and intelligent, knowing and skilful in everything: because he masters (يَنْحَرُ) knowledge or science: (A, K, TA:) pl. of the former, نَحَارِيرُ. (A.)