As a verb ad
is (second person singular present form of the negation verb).
As a noun postcard is
a rectangular piece of thick paper or thin cardboard intended to be written on and mailed without an envelope in the case of a picture postcard one side carries a picture or photograph.
ad
Translingual
Symbol
(
head)
The ISO 3166-1 two-letter (alpha-2) code for Andorra.
ISO 3166-1
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postcard
Alternative forms
* post card
Noun
(
en noun)
A rectangular piece of thick paper or thin cardboard intended to be written on and mailed without an envelope. In the case of a picture postcard one side carries a picture or photograph.
See also
* letter