The Collaborative International Dictionary
Rondle
Rondle \Ron"dle\, n. [Cf. Rondel.]
A rondeau. [Obs.]
--Spenser.A round mass, plate, or disk; especially (Metal.), the crust or scale which forms upon the surface of molten metal in the crucible.
Wiktionary
rondle
n. 1 (context obsolete English) A rondeau. 2 (context obsolete English) A round mass, plate, or disk, especially the crust or scale that forms upon the surface of molten metal in the crucible.