sinew meaning
Noun. 1. sinew-a cord or band of inelastic tissue connecting a muscle with its bony attachment. tendon. connective tissue-tissue of mesodermal origin consisting of e.g. collagen fibroblasts and fatty cells; supports organs and fills spaces between them and forms tendons and ligaments.inew. The state or quality of being physically strong: brawn, might, muscle, potence, potency, power, powerfulness, puissance, strength, thew (often used in plural).