thick floor-mat (usu smaller than a carpet) 厚地毯（通常比carpet小）: a `hearth-rug 壁炉前的小地毯. 
piece of thick warm fabric used as a blanket or covering 厚毯子: a `travelling-rug, ie for covering a passenger's knees in a car, etc 旅行毯（乘坐汽车等时, 盖住膝部的）. 
(idm 习语) pull the carpet/rug from under sb's feet => pull2. snug as a bug in a rug => snug.