The term 'Laundry Quantity' refers to the amount of laundry that needs to be done. The crossword solution for this term is 'LOAD', which is a four-letter word. This term is often used in the context of washing machines, as the amount of laundry that needs to be washed is referred to as the 'LOAD'. It is important to know the quantity of laundry that needs to be done in order to ensure that the washing machine is not overloaded and that the clothes are properly cleaned.