n. (Bot.) A very small frond, or distinct portion of a compound frond. [ 1913 Webster ]

n. [ Cf. Rondel. ] 1. A rondeau. [ Obs. ] Spenser. [ 1913 Webster ]

2. A round mass, plate, or disk; especially (Metal.), the crust or scale which forms upon the surface of molten metal in the crucible. [ 1913 Webster ]