This is the 8136th most frequent Catalan word.
cuir
Leather.
Here, 'cuir' is used as a noun meaning 'leather' as a material.
El cuir és un material resistent sovint utilitzat per fer sabates.
Leather is a durable material often used to make shoes.
In this sentence, 'cuir' is again a noun, contextually referring to the material the jacket is made from.
Vaig comprar una jaqueta feta de cuir aquest matí.
I bought a jacket made of leather this morning.
Here, 'cuir' represents the noun referring to 'leather' in the context of a specific industry.