Definify.com
Webster 1913 Edition
Postal
Post′al
,Adj.
[Cf. F.
postal
.] Belonging to the post office or mail service;
as,
postal
arrangements; postal
authorities.Postal card
, or Post card
a card used for transmission of messages through the mails, at a lower rate of postage than a sealed letter; also called
– postcard
. Such cards are sold by the government with postage already paid, or by private vendors without a postage stamp. The message is written on one side of the card, and the address on the other. Postal money order
. See
– Money order
, under Money
. Postal note
, an order payable to bearer, for a sum of money (in the United States less than five dollars under existing law), issued from one post office and payable at another specified office.
– Postal Union
, a union for postal purposes entered into by the most important powers, or governments, which have agreed to transport mail matter through their several territories at a stipulated rate.