زل

زُلَالٌ ذ A certain animal, of small, white body; which, when it dies, is put into water, and renders it cool, or cold: (TA:) [Golius describes it as a worm that is bred in snow; of which Aristotle speaks in his Hist. Animalium, l. ↓. 19; and he adds, on the authority of Dmr, that it is of the length of a finger, generally marked with yellow spots; and swelling in water such as is termed ماء الزلال.] ― -b2- Hence, [it is said to be] applied to water, as meaning Cool, or cold: (TA:) or, so applied, sweet: (S:) or sweet, clear, or limpid, pure, easy in its descent, that slips into the throat; as also ↓ زُلَازِلٌ: (TA:) or quick in its descent and passage in the throat, (K, * TA,) cool, or cold, sweet, clear, or limpid, easy in its descent; as also ↓ زَلِيلٌ and ↓ زَلُولٌ and ↓ زُلَازِلٌ. (K.) ― -b3- And Clear, as applied to anything. (TA.)