an imitation of a rose by means of ribbon or other material, -- used as an ornament or a badge.-an ornament in the form of a rose or roundel, -much used in decoration.-a red color. see roset.-a rose burner. see under rose.-any structure having a flowerlike form; especially, the group of five broad ambulacra on the upper side of the spatangoid and clypeastroid sea urchins. see illust. of spicule, and sand dollar, under sand.-a flowerlike color marking; as, the rosettes on the leopard.