pound ‧ er /ˈpaʊndə $ -ər/ BrE AmE noun
a 3-pounder/24-pounder/185-pounder etc
a) an animal, fish, or person that weighs 3 pounds, 24 pounds etc
b) a gun that fires a ↑ shell that weighs 3 pounds, 24 pounds etc
pound ‧ er /ˈpaʊndə $ -ər/ BrE AmE noun
a 3-pounder/24-pounder/185-pounder etc
a) an animal, fish, or person that weighs 3 pounds, 24 pounds etc
b) a gun that fires a ↑ shell that weighs 3 pounds, 24 pounds etc
Longman Dictionary of Contemporary English. Longman - Словарь современного английского языка. 2012