1. Join, fasten, or close by stitching with a needle and thread
   "She sewed up the tear in her jacket"
    
2. Treat a wound by stitching it closed
   "The doctor sewed up the patient's cut"
    
3. [informal] Gain complete control or ownership of something
   "The company has sewn up the market for electric vehicles"
    
4. [informal] Secure or conclude decisively
   "The team sewed up the championship with their final victory"

Derived forms: sewn up, sewed up, sewing up, sews up