This is the 7966th most frequent Spanish word.
molinero
A miller (a person who operates or works in a mill).
Here, 'molinero' is used adjectivally to describe a type of bread associated with a miller.
Compré un pan rústico llamado pan del molinero.
I bought a rustic bread called miller's bread.
Here, 'molinero' refers to a miller, which is a profession.
El molinero muele el trigo para hacer harina.
The miller grinds the wheat to make flour.
Here, 'molinero' is used as a proper noun to signify someone associated with the trade or family.