noun
covering consisting of a plate used to cover over or close in a chamber or receptacle
• Hypernyms: ↑covering
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noun1. : a cover, hood, or head used to close in or cover over the end or top of a receptacle, chamber, or section of a structure
2. : a plate riveted to the flange of a steel beam, girder, or column to increase its strength — called also flange plate
Useful english dictionary. 2012.