From Longman Dictionary of Contemporary Englishballpointball‧point /bɔːlpɔɪnt/ (also ballpoint pen) noun [countable] TWRITEa pen with a ball at the end that rolls ink onto the paper
Examples from the Corpus
ballpoint• As far as they could tell, the writing, by a ballpoint, was Egan's.• Fergie's title has been casually lined through with a ballpoint pen.• Erlich had out his ballpoint and his notebook.• The words, written in ballpoint, were sweat-smudged. 4.• I took the book and a supply of ballpoint pens back in February.• I could hardly wait, for example, to get my hands on the original ballpoint pen.• I move again and try to write some notes, but it is cold enough to freeze the ballpoint off my biro.