™ / ˈrɔːlplʌg; NAmE / noun
(also ˈwall plug ) (both BrE ) ( NAmE ˈwall anchor ) a small plastic tube, closed at one end, that you put into a wall to hold a screw
For more information see the Cultural Guide
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WORD ORIGIN
early 20th cent.: from Rawlings (the name of the engineers who introduced it) + plug .