الب1 أَلَبَ, (Th, M, K,) aor. ـِ and اَلُبَ, inf. n. أَلْبٌ, (M,) It (a thing, Th, M) was, or became, collected; or compact; syn. اِجْتَمَعَ; (Th, K;) or تَجَمَّعَ. (M.) b2:  أَلَبَ إِلَيْهِ القَوْمُ The people came to him from every direction: (M, K:) or أَلَبَ القَوْمُ [signifies the people multiplied themselves, and hastened; for it] denotes الإِكْثَارُ and الإِسْرَاع: (T in art. ضهب:) and أَلَبَ, (T, K,) aor. as above, (T,) signifies he hastened, or went quickly. (T, K.) b3:  أَلَبَتِ الإِبِلُ The camels obeyed the driver, and collected themselves together. (M, K.) [See also 5.] b4:  أَلَبَ إِلَيْهِ He returned to him, or it. (K, * TA.) b5:  أَلَبَتِ السَّمَآءُ, (M, K,) aor. ـِ (M,) The sky rained with long continuance. (M, K.) A2:  أَلَبَ, (S Msb, K,) aor. ـِ inf. n. أَلْبٌ, (Msb,) He collected (S Msb, K) an army, (S,) or a people; (Msb;) as also ↓ ألّب, (M,) inf. n. تَأْلِيبٌ: (TA:) and camels also: (TA:) or أَلَبَ الإِبِلَ aor. ـِ (T, * S, M, K) and اَلُبَ, (S, M, K,) inf. n. أَلْبٌ, (T, S,) signifies he collected the camels, and drove them (S, TA) vehemently: (TA:) or he drove them: (T, * K:) or he drove them vehemently. (M.) b2:  أَلَبَ, (TA,) inf. n. as above, (K, TA,) also signifies He drove, pursued, chased, or hunted, with vehemence: (K, TA:) and he drove away a people. (Msb.) You say, أَلَبَ الحِمَارُ طَرِيدَتَهُ The [wild] ass chased, or pursued, the object of his chase [i. e. his female, as is shown by MF,] with vehemence; (M, K;) as also ↓ أَلَّبَهَا (K.) 2 اَلَّبَ see 1, in two places. b2:  تَأْلِيبٌ also signifies The act of exciting, instigating; or rousing to ardour: (S, K:) and the exciting of discord, or strife, or the making of mischief. (K.) you say, ألّب بَيْنَهُمْ He excited discord or strife, or made mischief, between them. (M.) 5 تألّبوا They collected themselves together. (S, A, Msb.) [See also 1.] You say also, تألّبوا عَلَيْهِ They leagued together, or collected themselves. together, and aided one another, against him. (T.) أَلْبٌ (T, S, Msb) and ↓ إِلْبٌ (S, Msb) Persons, or people, collected together; (S;) an assembly; a collected body: (Msb:) or a collection of many people: (T:) and ↓ أَلْبٌ أَلُوبٌ a great assembly or congregation. (M.) b2:  Also A people, or company of men, combining in hostility against a man. (TA, from a trad.) You say, هُمْ عَلَيْهِأَلْبٌ وَاحِدٌ, and ↓ إِلْبٌ, (but the former is the better known, M,) They are [one body of men] assembled against him with injustice and enmity or hostility: (Lth, T, M, K:) like وَعْلٌ وَاحِدٌ and صَدْعٌ وَاحِدٌ and ضِلَعٌ وَاحِدٌ. (T, TA.) إِلْبٌ: see أَلْبٌ, in two places.أَلَبٌ a dial. var. of يَلَبٌ; (M;) Helmets of camels' shins: or, as some say, it signifies steel: (T:) أَلَبَةٌ is [its n. un., being] a dial. var. of يَلَبَةٌ. (K, * TA.) [See also يَلَبٌ.]أَلُوبٌ: see أَلْبٌ. b2:  Also One who hastens, or is quick; (T;) and ↓ مِئْلَبٌ likewise signifies [the same; or] quick, or swift: (Ibn-Buzurj, T, K:) or the former signifies quick in drawing forth the bucket: (IAar, M, K:) or brisk, lively, sprightly, active, agile, or prompt, and quick; (K, TA;) applied to a man. (TA.) b3:  رِيْحٌ أَلُوبٌ A cold wind, (M,) that raises and scatters the dust. (M, K.) b4:  سَمَآءٌ أَلُوبٌ A sky raining with long continuance. (M.) مِئْلَبٌ: see أَلُوبٌ.حَسُودٌ مُؤَلِّبٌ [An envious man,] who excites discord or strife, or makes mischief. (S, * TA.)