عاملهُ
1.
[He worked, laboured, served, acted, or transacted business, with him. Hence,] He dealt with him in buying and selling, (Msb, KL,) and the like: so in the language of the people of the cities. (Msb.) See also 6. [And hence the saying, عاملهُ مُعَامَلَةَ اللَّيْثِ (mentioned in the S in article ليث) He did, acted, or dealt, with him in the manner of the lion.]
2.
And i. q.
سَامَهُ بِعَمَلٍ [He made to him an offer of working, mentioning the rate of payment; or bargained, or contracted, with him for work]. (K.) Sgh says that المُعَامَلَةُ in the language of the people of El-'Irák is what is termed in the dialect of the people of El-Hijáz المُسَاقَاةُ, (Msb,) which is The employing a man to take upon himself, or manage, the culture' [or watering &c.] of palm-trees or grape-vines [or the like] on the condition of his having a certain share of their produce. (S and TA in article سقى.)