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 ]

‖n. [ F. ] (Print.) A kind of script in which the heavy strokes are nearly upright, giving the characters when taken together a round look. [ 1913 Webster ]

n. [ F. See Roundel. ] [ Written also rondo. ] 1. A species of lyric poetry so composed as to contain a refrain or repetition which recurs according to a fixed law, and a limited number of rhymes recurring also by rule. [ 1913 Webster ]

☞ When the rondeau was called the rondel it was mostly written in fourteen octosyllabic lines of two rhymes, as in the rondels of Charles d'Orleans. . . . In the 17th century the approved form of the rondeau was a structure of thirteen verses with a refrain. Encyc. Brit. [ 1913 Webster ]

2. (Mus.) See Rondo, 1. [ 1913 Webster ]

n. [ Cf. Rondeau, Roundel. ] 1. (Fort.) A small round tower erected at the foot of a bastion. [ Obs. ] [ 1913 Webster ]

2. [ F. ] (a) Same as Rondeau. (b) Specifically, a particular form of rondeau containing fourteen lines in two rhymes, the refrain being a repetition of the first and second lines as the seventh and eighth, and again as the thirteenth and fourteenth. E. W. Gosse. [ 1913 Webster ]

‖n. [ NL. So named after William Rondelet, a French naturalist. ] (Bot.) A tropical genus of rubiaceous shrubs which often have brilliant flowers. [ 1913 Webster ]