1. a strap that passes over or around the back, used to support or secure something
Usage: commonly found in clothing, bags, and equipment
2. a strap on a loom or weaving device that holds the warp threads in place
Usage: textile/weaving term

Examples

• The backpack's backstrap helps distribute weight evenly across your shoulders.
• She adjusted the backstrap on her dress to ensure a better fit.
• The backstrap of the harness kept the equipment secure during the climb.
• Weavers use a backstrap loom to create traditional textiles.
• The backstrap on the bag broke after years of heavy use.