noun Download 🔗Share The spinal column, or the vertebrae of the spine. Examples : "The doctor examined the patient's rachis to see if there were any problems with their spine. " anatomy body medicine physiology organism biology science Chat with AIVocabulary GamePractice Reading
noun Download 🔗Share An anatomical shaft or axis in a marine invertebrate. Examples : "The brittle starfish's rachis, running down the center of its arm, provides structural support. " anatomy organism animal biology Chat with AIVocabulary GamePractice Reading
noun Download 🔗Share The central shaft of a feather. Examples : "The feather's rachis provided a strong, central support for the barbs, making it ideal for flight. " anatomy bird biology part organism Chat with AIVocabulary GamePractice Reading
noun Download 🔗Share The main shaft of either a compound leaf, head of grain, or fern frond. Examples : "The rachis of the fern frond supported many delicate leaflets. " biology plant part structure Chat with AIVocabulary GamePractice Reading
