This is the 4948th most frequent Spanish word.
dueña
Owner or landlady.
The word "dueña" is used to denote ownership or proprietorship.
Ella es la dueña de esta tienda.
She is the owner of this shop.
The word "dueña" metaphorically designates the cat as the one dominating the armchair.
La gata dueña de ese sillón no permite que nadie se siente.
The cat, the mistress of that armchair, does not let anyone sit there.
The word "dueña" is employed to describe someone acting proprietary over a space, even if not literally.