spine
US /spaɪn/
UK /spaɪn/

1.
columna vertebral, espina dorsal
the series of vertebrae extending from the skull to the pelvis, forming the main support of the body
:
•
He injured his spine in a fall.
Se lesionó la columna vertebral en una caída.
•
The human spine has 33 vertebrae.
La columna vertebral humana tiene 33 vértebras.
2.
lomo del libro
the part of a book's cover that encloses the inner edges of the pages, usually visible when the book is on a shelf
:
•
The title of the book is printed on its spine.
El título del libro está impreso en su lomo.
•
She carefully placed the book back on the shelf, aligning its spine with the others.
Colocó cuidadosamente el libro de nuevo en el estante, alineando su lomo con los demás.