جَلِيسٌ
(S, A, Msb, K) and
جِلِّيسٌ (TA, as found in a copy of the K, [but this is an intensive form,]) and
جِلْسٌ (S, A, K) A companion with whom one sits: (A, Msb, K:) feminine of the first with ة: (TA:) and plural [of the same] جُلَسَاءُ (A, K) and [irreg., being by rule plural of جَالِسٌ,] جُلَّاسٌ. (K.) You say,
هُوَ جِلْسِى and جَلِيسِى [He is my companion with whom I sit]; like as you say, هُوَ خِدْنِى and خَدِينِى. (S.)