prix fixe

1. A complete meal of several courses, sometimes with choices permitted, offered by a restaurant at a fixed price.
2. A fixed price charged for such a meal.
3. See table d'hôte (sense 2).

[French : prix, price + fixe, fixed.]

[PREE FIHKS; PREE FEEKS] A French phrase meaning "fixed price," referring to a complete meal served by a restaurant or hotel for a preset price. Sometimes a menu offers several choices for each course for this set price. See also à la carte; table d'hôte.

The noun has one meaning:

Meaning #1: a menu listing fixed meals at fixed prices

The adjective prix fixe has one meaning:

Meaning #1: (of a restaurant meal) complete but with limited choices and at a fixed price
  Synonym: table d'hote