also: ボール・ペン
noun
ballpoint pen
A common writing instrument using a tiny rotating ball to dispense ink. The term is a wasei-eigo (Japanese-made English) from 'ball pen'.
wasei-eigo (Japanese-coined English), from ball pen
書類にボールペンで署名してください。
Please sign the document with a ballpoint pen.
このボールペンはインクがかすれてきた。
This ballpoint pen is running out of ink.
Wasei-eigo (Japanese-made English) from 'ball pen', with the English 'ballpoint pen' being the standard term outside Japan.