fosse

/fɔs/
1.
nounfeminineSing

pit

hole

excavation

Fais attention, il y a une grosse fosse au milieu du chantier.

Be careful, there's a large pit in the middle of the construction site.

2.
nounfeminineSing

septic tank

La fosse est pleine, il faut la faire vidanger.

The septic tank is full; it needs to be emptied.

3.
nounfeminineSing

orchestra pit

standing area near the stage (general admission)

On a pris des places en fosse pour être au plus près de la scène.

We got standing tickets in the pit to be as close as possible to the stage.