1.  advertising(n = noun.communication) ad, advert, advertisement, advertizement, advertizing - a public promotion of some product or service; Array
is a kind of packaging, promotion, promotional material, publicity
has particulars: direct mail, preview, prevue, trailer, advertorial, mailer, newspaper ad, newspaper advertisement, commercial, commercial message, bill, broadsheet, broadside, circular, flier, flyer, handbill, throwaway, teaser, top billing
Derived form verb advertise₂

2.  advertising(n = noun.act) publicizing - the business of drawing public attention to goods and services; Array
is a kind of business, business enterprise, commercial enterprise
has particulars: hard sell, soft sell, circularisation, circularization
Derived form verb advertise₂

1.  a communication publicly promoting some product or service. [WordNet 1.5]

2.  the business of advertising; the activity engaged in by professional publicists for pay. [WordNet 1.5]

advertising agency, advertising campaign, advertising department, advertising division