The crossword solution for the term 'Word with Fly or Speed' is TRAP. The word TRAP can be used in many contexts, but it is most commonly used to refer to a device designed to catch and hold animals or insects. It can also be used to describe a situation where someone is tricked or ensnared. In addition, the phrase 'fly TRAP' is often used to refer to a person or thing that attracts attention. Finally, the phrase 'speed TRAP' is used to describe a location where police officers monitor traffic for speeding violations.