Thătch1, n.
n. [O. & Prov. Eng. thack, A-S. thāc, thac, theac, Icel. thak, Sw. tak, Dan. tag, O. H. Ger. dah, N. H. Ger. dach, D. dak.] Straw or other substance used to cover the roofs of buildings, or stacks of hay or grain, for securing them from rain, snow, and the like.