Winder/ˈwaɪndər/ Definition 1 of 3Pro Tip 1/3Mechanical Context Used for items that require manual winding for operation. His antique watch needed a winder to function properly. Pro Tip 2/3Physical Action Implies turning or rotating a handle or knob. She turned the winder carefully to draw the curtains. Pro Tip 3/3Not Electric Refers to non-electric, mechanical devices, not needing power. I prefer the manual winder over an electric reel for my garden hose.