This is the 4684th most frequent French word.
pertuis
An opening, passage, or narrow channel.
In this sentence, 'pertuis' refers to a passage or strait between geographical features, illustrating its usage in describing natural formations.
Le bateau passe par un pertuis étroit entre deux îles.
The boat passes through a narrow strait between two islands.
Here, 'pertuis' is used to mean an aperture or opening, a usage applicable to architectural or structural contexts.
Le plafond est troué par un pertuis laissant passer la lumière.
The ceiling is pierced by an opening allowing light to enter.
In this context, 'pertuis' signifies a specifically made opening in a material for a designated purpose, demonstrating its application in manual work or crafting.