noun
bread roll; hot dog bun
A soft, elongated bread roll, often split and used for sandwiches or hot dogs. A wasei-eigo term combining French 'coupé' and Portuguese 'pão'.
wasei (Japanese coinage from French), from coupé · wasei (Japanese coinage from Portuguese), from pão
給食でコッペパンが出た。
We had bread rolls for school lunch.
コッペパンにソーセージを挟んで食べる。
I put a sausage in a bread roll and eat it.
ロールパン is a general term for any rolled bread, while コッペパン specifically refers to the elongated, split-top roll often used for hot dogs or school lunches.
Wasei-eigo from French 'coupé' (cut) and Portuguese 'pão' (bread), referring to a split bread roll.