noun Download 🔗Share 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. Examples : "The doctor examined the patient's backbone to see if there was any damage. " anatomy body organ physiology biology Chat with AIVocabulary GamePractice Reading
noun Download 🔗Share Any fundamental support, structure, or infrastructure. Examples : "Before automobiles, railroads were a backbone of commerce." structure system organization Chat with AIVocabulary GamePractice Reading
noun Download 🔗Share Courage, fortitude, or strength. Examples : "He would make a good manager, if he had a little more backbone." character mind attitude ability Chat with AIVocabulary GamePractice Reading