Meanings (ES + gloss)
columna vertebral • espina dorsal
The series of vertebrae, separated by disks, that encloses and protects the spinal cord, and runs down the middle of the back in vertebrate animals.
columna vertebral
Any fundamental support, structure, or infrastructure.
Before automobiles, railroads were a backbone of commerce.
Undoubtedly it can be said that the humble 0-6-0 has been the backbone for general service, or general utility on British railways right from their earliest days, and is likely to…
carácter • coraje
Courage, fortitude, or strength.
He would make a good manager, if he had a little more backbone.
His appearance was certainly that of a hairdresser's dummy; but in the great demoralization of the land he kept up his appearance. That's backbone. His starched collars and got-up…