wall hanger
noun1
A firearm that does not function or is considered unsafe to shoot, usually an older firearm that appears antique or ornate in design, hung on the wall of a room as decoration.
- In this case, the restoration is legitimate even though the gun will be a wall hanger and never be fired.1982, John E. Traister, How to Buy and Sell Used Guns, page 153:
2
Fishing, Hobbies, Lifestyle A caught fish suitable for display on a wall as a trophy.