This is the 10597th most frequent Spanish word.
cuero
Leather.
In this sentence, 'cuero' is used to describe the material from which the jacket is made, referring to leather as a substance.
La chaqueta está hecha de cuero.
The jacket is made of leather.
Here, 'cuero' specifies the part of the guitar that is covered or made with leather.
El cuero de la guitarra está desgastado.
The leather on the guitar is worn out.
In a colloquial sense, 'cuero' may refer metaphorically to someone's ability or resilience, as seen in this sentence describing a soccer player.