from The American Heritage® Dictionary of the English Language, 4th Edition
- abbr. Parent Teacher Association
from Wiktionary, Creative Commons Attribution/Share-Alike License
- Parent-Teacher Association.
- Prepaid Ticket Advice, information sent to an airline that a passenger will collect the ticket at the airport (not the same as an e-ticket).
- Permit To Acquire, a form lodged with the police to aquire a specific firearm; the authorisation subsequently acquired.
Sorry, no etymologies found.