ˈpen friend BrE AmE , pen‧friend /ˈpenfrend/ noun [countable] British English
someone you write friendly letters to, especially someone in another country who you have never met SYN pen pal
ˈpen friend BrE AmE , pen‧friend /ˈpenfrend/ noun [countable] British English
someone you write friendly letters to, especially someone in another country who you have never met SYN pen pal
Longman Dictionary of Contemporary English. Longman - Словарь современного английского языка. 2012