Webster's Revised Unabridged Dictionary · 1913

Rondo

Rondo , noun

[Italian rondò, from French rondeau. See Rondeau.]

1.
(Music) A composition, vocal or instrumental, commonly of a lively, cheerful character, in which the first strain recurs after each of the other strains.
The Rondo-form was the earliest and most frequent definite mold for musical construction. — Grove
2.
(Poetry) See Rondeau, 1.