The term ARIA SINGER is a combination of two crossword solutions: DIVA (4 letters) and OPERASTAR (9 letters). An Aria Singer is a type of vocalist who is known for their powerful and emotive singing style. They are often referred to as Divas, due to their larger-than-life stage presence and vocal prowess. Additionally, they are also known as Operastars, as they are often featured in operatic performances.