(Fort.) A small round tower erected at the foot of a bastion. (Obs.)
2.
(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.
... 830. Thorlepolle. Aldrovandi, describing the Balna vera Rondel[etii] says: Hec belua Anglis, (vt dixi) Hore vocatur, & alio nomine Horlepoole & VVirlepoole etiam, ni fallor, earu{m} nimiru{m} omnium significatione, qud impetuo suo & flatu vorticosas in mari tanquam ... — Early English Meals and Manners • Various