رأب1 رَأَبَ, (T, S, M, A, K,) aor. ـَ (M, A, K,) inf. n.  رَأْبٌ. (M, TA,) He repaired, or mended, (T, S, M, A, K,) a [cracked, or broken,] vessel, (S,) or a crack, or fissure; (M, A, K;) as also ↓ رأّب, (M, TA,) in some copies of the K ↓ ارتأب, [agreeably with an explanation of مُرْتَأَبٌ, its pass. part. n., which see below,] and in others [and in a copy of the A] ↓ أَرْأَبَ, but the right reading is رأّب. (TA.) It is related of AHát, that he heard رَبٌ said, [as the imperative, for اِرْأَبْ,] and that it is a good dial. var., like سَلْ for اِسْأَلْ. (TA.) b2: (assumed tropical:)  He rectified, repaired, mended, or amended, anything. (M.) You say, رَأَبَ بَيْنَ القَوْمِ, (M, K,) aor. and inf. n. as above, (M,) (assumed tropical:)  He effected a reconciliation, or made peace, between the people, or company of men. (M, K.) And اَللّٰهُمَّ ارْأَبْ بَيْنَهُمْ (S, A) (assumed tropical:)  O God, effect a reconciliation, or make peace, between them: (S:) or (tropical:)  rectify the matter, or affair, between them. (A.) and اَللّٰهُمَّ ارْأَبْ حَالَنَا (tropical:)  [O God, rectify, or amend, our state, or condition]. (TA.) b3:  Also, inf. n. as above, (assumed tropical:)  He collected a thing together, and bound it gently. (TA.) b4:  And رَأَبَتِ الأَرْضُ (assumed tropical:)  The land produced its [trefoil called] رَطْبَة, or رُطْبَة, [so accord. to different copies of the K,] after the cutting [of a crop thereof]. (K.) 2 رَاَّ^َand 4 and 8: see above, first sentence.رَأْبٌ an inf. n. used in the sense of [the act. part. n.] ↓ رَائِبٌ: so in the saying, كَفَى بِفُلَانٍرَأْبًا لِأَمْرِكَ (tropical:)  [Such a one is sufficient as a rectifier, or an amender, of thine affair, or thy case]. (A.) You say also, فُلَانٌ رَأْبُ أَمْرِ, and ↓ رَؤُوبُأُمُورٍ, (tropical:)  Such a one is a rectifier, or an amender, of an affair, and [a skilful rectifier or amender] of affairs. (A.) [See also رُؤْبَةٌ: and مِرْأَبٌ.] b2: Also (tropical:)  A chief who rectifies, or amends, the affair, or case, of a people, or party. (A.) b3:  (tropical:)  A big, bulky, portly, or corpulent, chief. (K, TA.) A2: A herd of seventy camels. (K.) رُؤْبَةٌ A piece, (S, Msb, K,) or piece of wood, with which a large wooden bowl, (T, TA,) or with which a vessel, (S, Msb, K,) is repaired, or mended: (T, S, Msb, K:) or a thing, (T,) or piece of wood, (TA,) with which a breach, or broken place, (T, TA,) in a vessel, (T,) or in a bowl, (TA,) is stopped up: (T, TA:) a piece that is inserted in a vessel, to repair, or mend, it: (M:) and a piece of stone with which a بُرْمَة [or cooking-pot of stone or other material] is repaired, or mended: (T, TA:) and a patch, or piece, with which a camel's saddle (رَحْل) is patched, or pieced, when it is broken: (M, TA:) some of its meanings are mentioned also in art. روب: (TA:) pl. رُؤَبٌ (T) and رِئَابٌ. (S.) b2: [Hence,] one says, هُوَ رُؤْبَةُ صَدْعِ الصَّفَآءِ (tropical:)  [He is the means of repairing the breach of sincere affection]. (A.) And هُوَ رِئَابُ بَنِى فُلَانٍ (tropical:)  [app. a mistranscription for هُمْ: i. e. They are the means of rectifying, or amending, the affair, or case, of the sons of such a one]. (A.) [See also رَأْبٌ and مِرْأَبٌ.]رَؤُوبٌ: see رَأْبٌ.رأّب: see مِرْأَبٌ.رَائِبٌ: see رَأْبٌ.أَرْآبٌ, for آرَابٌ, pl. of إِرْبٌ, q. v.مِرْأَبٌ An instrument with which cracks, or fissures, in a vessel, are repaired, or mended; syn. مِشْعَبٌ. (M, TA.) b2:  [And hence,] the same word, and ↓ رَأّبٌ, (T, A, K,) A man who repairs, or mends, cracks, or fissures, (T, K,) of bowls [&c.]: (T:) or who repairs, or mends, things well. (A.) And [hence,] (assumed tropical:)  A man who effects reconciliation, or makes peace, between people. (T.) Pl. [of the former] مَرَائِيبُ [as though the sing. were مِرْآبٌ also]. (T, A, TA.) مُرْتَأَبٌ i. q. مُغْتَفَرٌ [Forgiven: or, accord. to the TK, (assumed tropical:)  rectified, or repaired, in a suitable manner]: (K, TA:) [in one copy of the K, مُعْتَفَرٌ: and] in one copy, معتفن. (TA.)