This is the 2658th most frequent French word.
tgv
High-speed train.
Here, TGV is used as a noun, referencing the high-speed train system in France.
Je prends le TGV pour voyager rapidement entre Paris et Lyon.
I take the TGV to travel quickly between Paris and Lyon.
In this sentence, TGV is used as the subject of the sentence, indicating the train itself.
Le TGV passe à une vitesse incroyable.
The TGV travels at an incredible speed.
TGV here is part of a term referencing the network of high-speed trains, often used in contexts discussing transport systems.