n. 1. a European weed (Hypochaeris radicata) widely naturalized in North America, having yellow flower heads and leaves resembling a cat's ears.
Syn. -- cat's-ear, cat's ear, California dandelion, gosmore. [ WordNet 1.5 ]

2. [ Cape, from the Cape of Good Hope, South Africa + weed. ] a type of low-growing, creeping plant (Arctotheca calendulaceae), used as a ground cover in warm climates. RHUD [ PJC ]