D defs.my
Entry 2 senses Webster, 1913

Rondle

· Ron·dle · IPA /ˈɹɒndəl/
01 n. A rondeau.
  1. 1.
    A rondeau.[Obs.]
  2. 2.
    A round mass, plate, or disk; especially (Metal.), the crust or scale which forms upon the surface of molten metal in the crucible.(Metal.)