Flange/flændʒ/ Definition 1 of 3Pro Tip 1/3Technical Usage Used often in engineering and mechanical contexts to describe a specific part feature. Ensure the flange aligns correctly before tightening the bolts. Pro Tip 2/3Securing Objects Describes how parts are kept in place, highlighting its function in assembly. The flange will keep the shelf bracket secure on the wall. Pro Tip 3/3Physical Presence Emphasizes the protruding nature of a flange in a structure. The metal box's flange was bent, preventing the lid from closing.