Noun
a person you come to know by frequent friendly correspondence
Source: WordNetpen-pal
Another term used to describe pen pal is the word penfriend. Source: Internet
He arrives from his Midwest hometown to Boston, to see Coach, his " pen pal " (as referring to exchanging "pens", not letters). Source: Internet
In recent years, pen pal correspondence with prison inmates has gained acceptance on the Internet. Source: Internet
In the 1970s, syndicated children's television program Big Blue Marble often invited viewers to write to them for their own pen pal. Source: Internet
It is considered common courtesy to pass the friendship books on to another pen pal as quickly as possible. Source: Internet
Many pen pal newsletters do not publish prison pen pal ads because these communications require more caution, not simple friendships. Source: Internet