Definiciones
1.NounA white band of cholesterol that forms at the edge of the cornea
2.NounA low, horizontal cloud typically forming at the leading edge of thunderstorm outflow
3.NounAn elastic band around the base of the arolium, a pad at the end of the leg of certain insects
4.NounAn arc-shaped band of thickened sexine extending between two apertures on a pollen grain or spore