cayaH [ ci-ac ] 1 An assemblage, collection, multitude, heap, mass; cayastvizAmityavaDAritaM purA Śi. 1. 3 ; mfdAM cayaH U. 2. 7 a lump of clay; kacAnAM cayaH Bh. 1. 5 a braid of hair; so camarIcayaH Śi. 4. 60 ; kusumacaya , tuzAracaya &c. 2 A mound of earth raised to form the foundation of a building. 3 A mound of earth raised from the ditch of a fort. 4 A rampart. 5 The gate of a fort. 6 A seat, stool. 7 A pile of buildings, any edifice. 8 Stacked wood. 9 A cover, or covering. 10 Arranging or keeping the sacred fire; cf. agnicaya . 11 The amount by which each term increases, the common increase or difference of the terms (in a progression).