from The American Heritage® Dictionary of the English Language, 4th Edition
- n. A letter that is mailed and delivered from the same post office.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A letter mailed at a post office and either kept for general delivery, or delivered to a post office box, at that same post office.
- n. A large letter at the beginning of a line of text, positioned in a decorative way below the baseline of the rest of the type.
from the GNU version of the Collaborative International Dictionary of English
- n. a letter to be delivered from the same office where posted.
Sorry, no etymologies found.