The term 'bolts together' can be summarized by the crossword solution 'elopes'. This is a verb meaning to run away secretly with one's beloved, usually in order to get married. It is derived from the Greek word elopē, which means 'to leave.' This term is often used in the context of a romantic relationship, but it can also be used to describe any situation in which two people or entities come together without the knowledge or approval of others.