Source : Webster's Revised Unabridged Dictionary (1913)

Fillet \Fil"let\, v. t. [imp. & p. p. {Filleted}; p. pr. & vb.
   n. {Filleting}.]
   To bind, furnish, or adorn with a fillet.

Filleting \Fil"let*ing\, n.
   1. (Arch.) The protecting of a joint, as between roof and
      parapet wall, with mortar, or cement, where flashing is
      employed in better work.

   2. The material of which fillets are made; also, fillets,
      collectively.