filet n 1: a boneless steak cut from the tenderloin of beef [syn: {fillet}, {filet}] 2: a longitudinal slice or boned side of a fish [syn: {fillet}, {filet}, {fish fillet}, {fish filet}] 3: lace having a square mesh v 1: decorate with a lace of geometric designs [syn: {fillet}, {filet}] 2: cut into filets; "filet the fish" [syn: {fillet}, {filet}]