box ‧ er /ˈbɒksə $ ˈbɑːksər/ BrE AmE noun [countable]
[ Sense 1: Date: 1700-1800 ; Origin: ⇨ ↑ box 2 (1) ]
[ Sense 2: Date: 1900-2000 ; Language: German ; Origin: English boxer 'fighter' ; because of its flattened nose ]
1 . someone who ↑ box es , especially as a job
2 . a large dog with short light brown hair and a flat nose