from Wiktionary, Creative Commons Attribution/Share-Alike License
- adj. That can be (physically and/or legally) sent by mail.
from the GNU version of the Collaborative International Dictionary of English
- adj. Admissible lawfully into the mail. Opposed to
non-mailable. Dangerous items such as explosives, weapons, or corrosive chemicals are often classified by the postal authorities as non-mailable.
from The Century Dictionary and Cyclopedia
- Capable of being mailed; such that it can be sent by mail in accordance with the regulations governing the post-office.
mail + -able (Wiktionary)