A two-way ticket is a type of ticket that allows the holder to travel to a destination and then RETURN to their original point of departure. It is typically used for transportation such as air travel, train travel, or bus travel. The term 'two-way ticket' can also be used figuratively to refer to a situation in which someone is allowed to go back and forth between two different places or situations. The crossword solution for the term two-way ticket is 'RETURN, ' which is a six-letter word.