fillet
1. fil.let also fi.let \'fil-*t, in sense 2b also fi-'la-, 'fil-(.)a-\ \fi-'la-, 'fil-(.)a-\ n [ME filet, fr. MF, dim. of fil thread - more at FILE] 1: a ribbon or narrow strip of material used esp. as a headband 2: a thin narrow strip of any material : as 2a: a band of anatomical fibers; specif : LEMNISCUS 2b: a piece or slice of boneless meat or fish; specif : the tenderl oin of beef 3a: a concave junction formed where two surfaces meet 3b: a curved strip fitted into the angle of such a junction 4: a narrow flat architectural member : 4a: a flat molding separating others 4b: the space between two flutings in a shaft 5: an ornament impressed on a book cover 2. fil.let \'fil-*t, in sense 2 also fi-'la-, 'fil-(.)a-\ vt 1: to bind or adorn with or as if with a fillet 2: to cut into fillets
Webster's English Dictionary