The term 'LUMINOUS FIELD' can be broken down into two words, 'LUMINOUS' and 'FIELD'. The word 'LUMINOUS' is defined as emitting or reflecting light, while the word 'FIELD' is defined as an area of land or a particular area of study. When combined, the term 'LUMINOUS FIELD' can be interpreted as an area of land that emits or reflects light. Additionally, the crossword solution for this term is 'AURA', which is defined as a distinctive atmosphere or quality that seems to surround and be generated by a person, place, or thing. Therefore, the term 'LUMINOUS FIELD' can be interpreted as an area of land that has a distinctive atmosphere or quality that emits or reflects light.