intersection

/ɛ̃.tɛʁ.sɛk.sjɔ̃/
1.
nounfeminine

road intersection; crossroads; junction

Fais gaffe à l'intersection, la visibilité est mauvaise.

Watch out at the intersection, the visibility is bad.

2.
nounfeminine

intersection (mathematics): the set of elements common to two or more sets

L'intersection de A et B contient les éléments présents dans les deux ensembles.

The intersection of A and B contains the elements present in both sets.