The crossword solution for the term 'LATCH' is 'ONTO'. LATCH is a device used to hold a door, gate, or window securely closed. It is usually made of metal and has two parts that fit together. The first part is a spring-loaded arm that is attached to the door frame, and the second part is a catch that is attached to the door itself. When the two parts are put together, they form a secure LATCH that prevents the door from being opened. The word 'ONTO' means to attach or fasten something in place. Therefore, the crossword solution 'ONTO' is an appropriate answer for the term 'LATCH'.