espinazo

noun
  1. The backbone or spine of a vertebrate animal, often used in culinary contexts to refer to the spine of an animal used in cooking. noun
    The chef prepared a dish using the espinazo of the pig.
    In some traditional recipes, the espinazo is simmered to create a rich broth.
  2. A metaphorical term used to describe the central or most important part of something, similar to the backbone. noun
    The espinazo of the organization lies in its dedicated team members.
    In any successful project, a strong espinazo is essential to hold everything together.