The term 'Hair Removal Device' can be summarized by the crossword solution 'Epilady', which is a brand of electric epilator. An epilator is an electrical device used to remove unwanted body hair from the root, leaving the skin smooth for weeks. It works by using a rotating head with tweezers that pluck out the hairs. Epilady is one of the most popular brands of epilators and has been around since 1986.