The term 'ticket, in slang' can be summarized by the crossword solution 'ducat', which is a five-letter word. A ducat is an old form of currency that was used in Europe during the Middle Ages and Renaissance periods. It was also used as a form of ticket or admission to events such as plays, concerts, and other forms of entertainment. In modern slang, the term 'ducat' is still used to refer to a ticket or admission to an event.