While he was there, Jim went up to Liverpool and met Joan, his pen-friend.    From Wordnik.com.  [Jim Bennett] Reference

Until now we'd given our longstanding pen-friend no cause whatever to credit anyone in the Signals directorate with the competence to set a trap for him.    From Wordnik.com.  [between silk and cyanide]

As the author explains in her introduction, the story began life as a series of letters and scenes that she wrote as a teenager in collaboration with a pen-friend she met at a summer camp.    From Wordnik.com.  [Archive 2010-03-01] Reference

Clearwire is looking for a pen-friend in Global Mobile, one of six WiMAX licensees in Taiwan, according to local reports.    From Wordnik.com.  [telecoms.com - telecoms industry news, analysis and opinion] Reference

My mother's French pen-friend, Anne-Marie, who had also known both my parents since they were teenagers, married my mother's cousin around the same time.    From Wordnik.com.  [Life and style | guardian.co.uk] Reference

If you are interested in having an old-fashioned pen-friend, please post a comment on my blog, and I’ll pass his address along to you.    From Wordnik.com.  [Archive 2008-06-01] Reference

Because of your also pen-friend.    From Wordnik.com.  [TWQ: Best Movies Of The 21st Century] Reference

Hey, my new pen-friend.    From Wordnik.com.  [planet.journals.ie] Reference