Source : Webster's Revised Unabridged Dictionary (1913)

Raguled \Ra*guled"\, Ragguled \Rag*guled"\, a. [Cf. F. raguer to
   chafe, fret, rub, or E. rag.] (Her.)
   Notched in regular diagonal breaks; -- said of a line, or a
   bearing having such an edge.