This is the 7646th most frequent French word.
rex
In French, "rex" is not a standard word; it typically refers to "king" or "leader" in Latin or can be shorthand for "return of experience" (retour d'expérience) in business contexts.
In this sentence, 'rex' refers to its Latin usage meaning 'king'. It is used in an academic context to describe or study historical monarchic figures.
Le titre de sa thèse était 'Le rex dans les sociétés médiévales'.
The title of his thesis was 'The rex in medieval societies'.
Here, 'Rex' is a proper noun used as the name of a dog, reflecting its common usage as a given name for pets, especially dogs.
Rex, le chien du voisin, est toujours très enjoué.
Rex, the neighbor's dog, is always very playful.
This sentence uses 'rex' in its historical Latin context to discuss the concept of a king related to the Roman Empire era.