UMBERTO BACCHI PUBLIC figures from writers to lawmakers have launched a campaign ahead of International Women's Day to change a leading Italian dictionary's "sexist" definition of a woman, which currently includes 30 different words for a sex worker. About 100 high-profile Italians signed a letter demanding changes to the Treccani online dictionary after a similar campaign forced the Oxford English dictionary to alter its definition last year. They argue that terms with negative connotations like "puttana" (whore) and "cagna" (bitch) should be dropped from a list of synonyms - and point out that the synonyms listed under "man" are broadly…