ad has definitions from the field of business
1
[ noun ] (business) a public promotion of some product or service

Used in print

(Arthur Miller, "The Prophecy," in The Best...)

Now she could let out the three parakeets without_fear they would be stepped_on or that Stowey would let them out one of the doors ; she could dust the plants , then break_off suddenly and pick_up an old novel and read from the middle on ; improvise cha-chas on the harp ; and finally , the best part of all , simply sit at the plank table in the kitchen with a bottle of wine and the newspapers , reading the ads as_well_as the news , registering nothing on her mind but letting her soul suspend itself above all wishing and desire .

(Evan Esar, Humorous English; a guide to comic ,...)

Classified ads are also chockfull of misrelated constructions .

Readers of the Reader_'s_Digest are familiar_with such items which often appear in its lists of verbal slips , like the ad in a California paper that advertised `` House for rent .

Then there was the caterer 's ad which read : `` Are you getting_married or having an affair ?

2
[ adverb ] in the Christian era; used before dates after the supposed year Christ was born

Synonyms

anno_domini a.d.

Examples

"in AD 200"

3
[ noun ] in the year of Our Lord; date used in reckoning dates after the supposed year Christ was born, "in AD 200"

Related terms

date

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