سمهرQ. 1 سَمْهَرَ, said of seed-produce, It did not multiply; as though every grain [of the seed] had its [single] head. (T, K.) Q. 4 اِسْمَهَرَّ It (a spear, TA) was, or became, hard. (S, K.) b2:  It (a thorn) was, or became, dry, or tough, and hard. (S.) b3:  It was, or became, strong; (said of a rope; TA;) or pressing, or severe, or difficult; (said of an affair; TA;) or intense; (S, K;) said of darkness: (S, TA:) and, said of darkness, it became disagreeable, and intense. (K.) b4:  He (a man) became vehement in fight. (S.) b5:  It (a penis) became straight and erect. (K, TA.) رُمْحُ سَمْهَرِىٌّ, (S, K,) and قَنَاةٌ سَمْهَرِيَّةٌ, (S,) A hard spear, (S, K,) and a hard spear-shaft: (S:) or so called in relation to a man named سَمْهَرٌ, (S, K,) husband of رُدَيْنَةُ, (K,) who (as well as his wife, K) used to straighten spears: (S, K:) or in relation to a town or village of Abyssinia, (K,) called سَمْهَرٌ: so says Ez-Zubeyr  Ibn-Bekkár, but Sgh distrusts this; and the former opinion is the more common. (TA.) You say also رِمَاحٌ سَمْهَرِيَّةٌ [Hard spears; &c.]. (S.) b2:  وَتَرْ سَمْهَرِىٌّ A strong bow-string. (TA.) b3:  قَدٌّ سَمْهَرِىٌّ A straight stature. (TA.) مُسْمَهِرٌّ A tough thorn. (TA.) b2:  A penis hard and strong; or distended and erect and hard: (L, TA: [but in both, عود, as an epithet applied to ذَكَرٌ, is put by mistake for عَردٌ]:) or the penis [itself]. (K.) b3:  Straight. (Az.)