ad

Noun	1.	ad - a public promotion of some product or service Synonyms: advert, advertisement, advertising, advertizement, advertizing
Adv.	1.	AD - in the Christian era; used before dates after the supposed year Christ was born; "in AD 200" Synonyms: A.D., anno Domini

1.		AD - Administrative Domain
2.	(networking)	ad - The country code for Andorra.

Autonomous DOMAINA.D., anno Domini