fountainpen

noun
UK /ˈfaʊntən pɛn/
US /ˈfaʊntən pɛn/

A fountain pen is a pen that holds ink inside and lets it flow out through a metal tip when you write.

She signed her name with a blue fountain pen.


OTHER MEANINGS

2. A pen with a refillable ink reservoir rather than a disposable cartridge.

He filled his fountain pen from a small bottle of ink.

3. A formal or old-fashioned pen used for special documents.

The wedding guests used a fountain pen to sign the guest book.

4. A pen whose metal tip splits slightly to control ink flow.

The fountain pen scratched a little because its tip was bent.