a British magazine for teenage girls, formerly called Just Seventeen, which contains pictures and articles about fashion, health, music, boys etc, and answers to readers' questions about personal problems. In the US there is a similar magazine called Seventeen.
Definition from the Longman Dictionary of Contemporary English Advanced Learner's Dictionary.
Dictionary pictures of the day
Do you know what each of these is called?
Click on any of the pictures above to find out what it is called.