A1
an advertisement
Dictionary examples:
Funny ad: 'Eat cake, lose weight!' (0.0)
Funny ad: 'Use our soap, smell good!' (0.0)
Ad: 'Buy our pen, write books!' (0.0)
I saw an ad for a part-time job that you might like. (11.9)
a pop-up ad (41.0)
TV/newspaper ads (43.3)