thundercloud (thunderkloud)

A cloud that produces lightning and thunder. Such clouds are of the cumulus or strato-cumulus type, generally ap pearing in dense, dark, towering ma es, with a cirro-str a overflow. In hilly thunder-clouds have been observed entirely within a limit of 1,500 feet above the earth, but in general the base of the cloud is from 3,000 to 4,000 feet high, and its vertical thickne from 2,000 to 12,000 feet. IMG:content-0376.png:[blocks in formation] Nor is he mov'd with all the thunder -cracks Of tyrants' threats. Daniel, To the Counte of Cumber land, st. 5. thunder-dartt (thun'der-därt), n. A thunderbolt. Spenser , Visions of Bellay, 1. 53. thunder-darter (thun'dér-där tėr), n. He who darts the thunder; Jove. O thou great thunder - darter of Olympus, forget that thou art Jove, the king of gods. Shak ., T. and C., ii. 3. 11. thunder-dintt (thun'der-dint), n. [ME., also thonder dent; dint .] A thunderelap. How Cappaneus the proude With thunder - dynt was slayn, that criede loude.