pounder

A vessel in which something is pounded, or an implement used in pounding.

Since we often prefer to pound our own cutlets rather than buy uneven precut cutlets from the store, a meat pounder is an important piece of equipment.

A gun capable of firing a specified weight of shot in pounds.

The ship fired the twelve-pounder twice during the battle.

Something that weighs a specified number of pounds.

The Quarter Pounder with Cheese

"Okay, that's a keeper," Harold said as he netted the 3-pounder and put him on a stringer over the side of the boat.

Something or someone costing so many pounds sterling.

The striker they bought from United was a million-pounder.