Classified, for one: Abbr

• Paid promotion: Abbr.
• Merch. sale note
• Paid-for magazine p
• Mag. insert
• Item in the ''WSJ''
• Coml. notice
• $$$ source for mags
• Abbr. on some magazine sections
• Public notice: Abbr.

Wiktionary Word definitions in Wiktionary
n. (abbreviation of advertisement English)