nounπShareThe series of bones situated at the back from the head to the pelvis of a person, or from the head to the tail of an animal; backbone, vertebral column."The doctor examined the patient's spines for any signs of injury after the car accident. "anatomybodyphysiologyorgananimalhumanChat with AIVocabulary GamePractice Reading
nounπShareSomething resembling a backbone, such as a ridge, or a long, central structure from which other structures radiate."The library shelves had spines facing outwards, making it easy to find the book you wanted. "anatomystructurebiologyorganismpartbodyChat with AIVocabulary GamePractice Reading
nounπShareA pointed, fairly rigid protuberance or needle-like structure on an animal, shell, or plant."The cactus had sharp spines to protect it from animals. "natureanimalplantbiologypartstructureChat with AIVocabulary GamePractice Reading
nounπShareThe heartwood of trees."The carpenter carefully selected planks made from the spines of old oak trees, known for their strength and resistance to rot. "plantmaterialnaturebiologyChat with AIVocabulary GamePractice Reading
nounπShareCourage or assertiveness."The shy student found her spines and finally asked the teacher for help. "characterattitudemoralChat with AIVocabulary GamePractice Reading
nounπShareThe stiffness of an arrow."The archer checked the arrows' spines to ensure they wouldn't wobble in flight. "sporttechnicalChat with AIVocabulary GamePractice Reading
