The term 'Joist Crosser' is a job title for someone who works in the construction industry. This person is responsible for connecting joists, which are horizontal beams used to support floors and ceilings, to other structural elements. The job requires a high level of skill and precision, as the joists must be securely connected in order to ensure the structural integrity of the building. The term 'Joist Crosser' can also be abbreviated to 'HEADER, ' which is a six-letter word.