1 تَجَرَ أجار أجر أجرى جار جر جرى تجر , (S, A, Msb, K,) aor. تَجُرَ , (S, Msb,) inf. n. تَجْرٌ (S, Msb, K) and تِجَارَةٌ, (S, A, K,) or the latter is a simple subst., (Msb,) or quasi-inf. n., (Mgh,) and مَتْجَرٌ; (A;) and ↓ اِتَّجَرَ , (S, A, Msb, K,) of the measure اِفْتَعَلَ; (S;) He practised traffic, merchandise, or commerce; trafficked; traded; dealt; sold and bought; (K;) employed property for the purpose of gain. (A.) You say, تَجَرَ تِجَارَةً رَابِحَةً [He practised a profitable, or lucrative, traffic]. (A.) And فِى ↓ فُلَانٌ يَتَّجِرُ البَرِّ وَ البَحْرِ [Such a one traffics on land and sea]. (A.) There can hardly, if at all, be found any other instance of ت immediately followed by ج except نتج and رتج: the ت in تُجَاهَ is originally و. (Msb.) 3 تاجرهُ أجر تأجره تاجر تاجره تاجرة , (A,) inf. n. مُتَاجَرَةٌ, (A, KL,) He practised with him [and (as is implied in the A) he vied with him in practising] traffic, or selling and buying. (KL.) 8 اِتَّجَرَ أتجر اتجر تجر ٱتجر : see 1, in two places. -A2- See also 8 in art. وجر. تَجْرٌ أجار أجر أجرى جار جر جرى تجر : see تَاجِرٌ. التَّجِرُ التجر : see تَاجِرٌ. تِجَارَةٌ جارى تاجر تجاره تجارة a subst. from 1; (Msb;) or quasi-inf. n.; (Mgh;) [The practice of traffic, merchandise, or commerce; traffic; trade; selling and buying;] the trade of the تَاجِر, i. e., of him who sells and buys for gain; (Ksh in ii. 15;) the seeking of gain by selling and buying. (Bd ibid.) [See also 1.] ― -b2- Also Merchandise, meaning what is sold and bought, of goods, or commodities, or householdfurniture, and the like; a quasi-inf. n. used in the sense of a pass. part. n. (Mgh.) [Hence the saying,] عَلَيْكُمْ بِتِجَارَةِ الآخِرَةِ (tropical:) [Keep ye to the merchandise of the life to come]. (A.) تَاجِرٌ أجر تأجر تاجر A merchant; one who practises traffic, merchandise, or commerce; a trafficker; a trader, or tradesman; a dealer; one who sells and buys; (K;) one who sells and buys for gain: (Ksh in ii. 15:) and a vintner, or seller of wine, (S, K,) was also called thus by the Arabs: (S:) accord. to IAth, this latter is said to be the primary signification: and hence the saying in a trad., إِِنَّ التَّاجِرَ فَاجِرٌ [Verily the vintner is a transgressor]: (TA:) pl. تُجَّارٌ and تِجَارٌ and ↓ تَجْرٌ , (S, Msb, K,) [or rather this last is a quasi-pl. n.,] like as صَحْبٌ is of صَاحِبٌ, (S, Msb,) and تُجُرٌ, (K,) or this may be a pl. of تِجَارٌ. (ISd, TA.) ↓ التَّجِرُ . occurring in a verse of El-Akhtal, [for التَّاجِرُ,] is thought by ISd to be like طَهِرٌ [for طَاهِرٌ]. (TA.) ― -b2- [Hence,] (tropical:) A man skilful in an affair. (K, TA.) The Arabs say, إِِنَّهُ لَتَاجِرٌ بِذٰلِكَ الأَمْرِ (tropical:) Verily he is skilful in that affair. (IAar, TA.) ― -b3- And (tropical:) A she-camel that is saleable, or easy of sale, or in much demand, in traffic, and in the market; (A 'Obeyd, S, K;) as also تَاجِرَةٌ: (K:) or the latter, a she-camel that is goodly, and saleable, or in much demand: (A:) or that is easy of sale when offered, by reason of her excellence: (T:) or simply, that is easy of sale, or in much demand: (S:) as though, by reason of her beauty, or goodliness, and fatness, she sold herself: (Ksh in ii. 15:) contr. of كَاسِدَةٌ: (S, * TA:) the pl. of تاجرة is تَوَاجِرُ. (T, A.) You say also, عَلَيْكَ بِالسِّلَعِ التَّوَاجِرِ (tropical:) [Keep thou to the commodities] that are saleable, or in much demand. (A.) And هُوَ عَلَى أَكْرَمِ تَاجِرَةٍ (assumed tropical:) He is upon a most noble horse. (K.) أَرْضٌ مُتْجَرَةٌ  [in the TA, مَتْجِرَةٌ, but this is wrong,] A land in which traffic, merchandise, or commerce, is practised; (S, L, K;) and to which people go for the purpose of practising the same: (K:) pl. مَتَاجِرُ. (TA.) Credit: Lane Lexicon