جسر

1 جَسَرَ جسر , (K,) aor. جَسُرَ , (TA,) inf. n. جَسَارَةٌ (A, K, KL) and جُسُورٌ, said of a man, (K,) He was daring, courageous, or bold: (A, KL:) he acted with penetrating energy, or sharpness, vigorousness, and effectiveness; syn. مَضَى and نَفَذَ. (K.) You say, جَسَرَ عَلَى كَذَا, aor. جَسُرَ , inf. n. جَسَارَةٌ, He ventured upon such a thing daringly, courageously, or boldly; (S, A;) as also ↓ تجاسر: (S:) and عَلَيْهِ ↓ تجاسر he emboldened himself against it, or him. (A, K.) And جَسَرَ عَلَى عَدُوِّهِ, (A, Msb,) aor. جَسُرَ , inf. n. جُسُورٌ and جَسَارَةٌ, (Msb,) He acted daringly, conrageously, or boldly, against his enemy. (A.) And لَا يَجْسُرُ أَنْ يَفْعَلَ كَذَا He dares not to do such a thing. (A.) -A2- جَسَرَ, (K,) inf. n. جَسْرٌ, (TA,) He (a man) arched, or vaulted, a جِسْر [or bridge ]. (K.) ― -b2- It is said of [the giant] 'Ooj (عُوج), in a trad., وَقَعَ عَلَى نِيلِ مِصْرَ فَجَسَرَهُمْ سَنَةً, i. e., (tropical:) [ He fell down upon the Nile of Egypt, and ] became a bridge to them [ for the space of a year ]. (A.) ― -b3- And one says, جَسَرَتِ الرِّكَابُ المَفَازَةَ, and ↓ اِجْتَسَرَتْهَا, (tropical:) The travellingcamels crossed, or passed over, the desert, (A, K,) as by a bridge: (A:) and السَّفِينَةُ البَحْرَ ↓ اجتسرتِ (tropical:) The ship crossed, or passed over, the sea: (A:) or rode upon, and passed through, the sea. (K.)