fillet
noun
[ ˈfɪlɪt ]
• a fleshy boneless piece of meat from near the loins or the ribs of an animal.
• "a chicken breast fillet"
• a band or ribbon worn round the head, especially for binding the hair.
• a roughly triangular strip of material which rounds off an interior angle between two surfaces.
• (in bookbinding) a plain line impressed on the cover of a book.
fillet
verb
• remove the bones from (a fish).
Origin:
Middle English (denoting a band worn round the head): from Old French filet ‘thread’, based on Latin filum ‘thread’.