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c.1600, a cant word introduced from the Continent, probably from dialectal German strollen, variant of German strolchen "to stroll, loaf," from strolch "vagabond, vagrant," also "fortuneteller," perhaps from Italian astrologo "astrologer." Related: Strolled; strolling. The noun is 1814, from the verb.
An area or route favored by prostitutes for solicitation: Ms Lopez, a 38-year-old streetwalker, said she had been chased by packs of youngsters who descended at night on the stroll, where prostitutes ply their trade in the industrial park (1990s+)