from The American Heritage® Dictionary of the English Language, 4th Edition
- n. A person who works on a long-term basis without being treated as a permanent employee, especially one who agrees to a series of temporary contracts lacking the benefits of permanent employees.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. An employee whose official status is of a temporary, despite serving his or her function for sufficient time to be contracted as permanent.
perma(nent) + temp.(American Heritage® Dictionary of the English Language, Fourth Edition)
Blend of permanent and temp (Wiktionary)