Signification

1. back (the rear of body)
2. lower back, lumbar
3. loin, tenderloin (any of several cuts of meat)
4. fillet (of fish) (a strip or compact piece of meat)
5. rib (cut of meat enclosing one or more rib bones)
6. spine (the narrow, bound edge of a book)
7. crease (of a hide, fabric, etc)
8. blunt edge (of a blade)
9. (colloquial) flesh
10. (usually with verb tener) an extraordinarily magnificent or ideal human body (either masculine or feminine)