ghost
n.— «“Ghosts” is a term used to describe non-roster invitees to Major League Baseball spring training.» —“Ghosts trying to scare up roster spots” by Mike Cunniff Morris Daily Herald (Illinois) Feb. 24, 2006. (source: Double-Tongued Dictionary)
Further reading
The emotional appeal of handwriting and the emotional reveal of animal phrases. Should children be taught cursive writing in school, or is their time better spent studying other things? A handwritten note and a typed one may use the very same words...
Kirsten in Evanston, Illinois, reports that when she and her husband lived in a co-op at the University of Michigan, they and their friends used the acronym GUFF for “general use free food,” which anyone was free to eat. The word GUFF...