The crossword solution for the term 'Word After Rest or Gray' is AREA. This is a four-letter word that can be used in many contexts. In terms of geography, an AREA is a portion of land that is defined by boundaries. It can also refer to a particular field of study or activity, such as a business AREA or an AREA of expertise. Additionally, it can refer to a unit of measurement, such as an AREA of land or an AREA of a room.