costilla

noun
  1. A Spanish word for 'rib', referring to the bones that form the rib cage in vertebrates. noun
    The chef prepared a delicious dish using beef costillas.
    During the anatomy class, we learned about the human costilla structure.
  2. In some contexts, it can be used informally to refer to a spouse or partner, similar to 'better half'. noun
    He always consults his costilla before making big decisions.
    She jokingly referred to her husband as her costilla during the party.