Rug

n. [A-S. rŭg, räh, rau, rough, shaggy; L. Ger. rug, ruwe, D. ruig, O. H. Ger. rāh, N. H. Ger. rauh, rauch, Sw. rugg, entangled hair, ruggig, rugged, shaggy. See ROUGH.]

1. A coarse, nappy, woolen fabric, used for various purposes;—as, (a.) For the cover of a bed. (b.) For protecting the carpet before a fire place, (c.) For protecting the legs against the cold in riding; as, a railway rug.
2. A rough, woolly, or shaggy dog.