(of a coin) altered by the insertion of a plug of base metal
completely obstructed or closed off;
"the storm was responsible for many blocked roads and bridges"
"the drain was plugged"
- Have you plugged in yet?
- Computers could be plugged into a national network and be used like radios.
- The salesman plugged the new product.
- The recorder wasn't plugged in.
- blocked 堵塞的