filet means “fillet” | MotiTan French Dictionary

More examples

Ce soir, j'ai mangé un filet de poisson.

This evening, I ate a fish fillet.

Something thin and thread-like, whether spread as a net, marked as a narrow band, or cut from meat or fish.

tranche: A thin slice of bread, ham, cheese, or a similar food.
morceau: A small piece formed by cutting or breaking something.

Réseau de fils formant une maille, ou bande étroite; par extension, morceau mince de viande ou de poisson.

Filet is related to Latin filum 'thread' through Old French, with its meanings extending from a small thread to a net and then to a thin food cut.

Filet can also mean a small amount of liquid in phrases such as un filet d'huile, where it suggests a light drizzle.