WordNet sense 1 (a boneless steak cut from the tenderloin of beef):

filet

WordNet sense 2 (a longitudinal slice or boned side of a fish):

fish filet, fish fillet

WordNet sense 3 (a bundle of sensory nerve fibers going to the thalamus):

lemniscus

WordNet sense 4 (a narrow headband or strip of ribbon worn as a headband):

taenia, tenia

WordNet sense 5 (fastener consisting of a narrow strip of welded metal used to join steel members):

stopping