كيس

3 كايسهُ ذ , (S, A, K,) inf. n. مُكَايَسَةٌ, (TA), He vied, or contended, with him in كَيْس [i. e. acuteness or sharpness or quickness of intellect; &c.: see 1]. (K.) You say, كَايَسْتُهُ فَكِسْتُهُ [ I vied, or contended, with him in acuteness, &c., and ] I overcame, or surpassed, him (S, A) [ therein, i. e.] in كَيْس. (A.) And كَايَسَهُ فِى البَيْعِ (S, A) [ He vied, or contended, with him in acuteness, &c., in selling; as seems to be indicated in the S: or] he jested, or joked, with him (لَاغَاهُ) in selling. (A, TA.)