n.
     - a fleshy boneless piece of meat from near the loins or the ribs of an animal. 
▸
(also fillet steak)
 a beef steak cut from the lower part of a sirloin.
 ▸a boned side of a fish.
 - a band or ribbon binding the hair.
 - Architecture  a narrow flat band separating two mouldings. 
▸a small band between the flutes of a column.
 - a roughly triangular strip of material which rounds off an interior angle between two surfaces.
 - a plain line impressed on the cover of a book.
 
v.
 (fillets, filleting, filleted)
 remove the bones from (a fish). 
▸cut (fish or meat) into fillets.
 
  Derivative
  
  Etymology
  ME: from OFr. filet ‘thread’, based on L. filum ‘thread’.