The term 'Parts of Irises' refers to the various components of the iris flower. The crossword solution for this term is 'Pupils', which is a six-letter word. Pupils are the colored part of the iris, which is located in the center of the flower and is surrounded by the petals. They are typically brightly colored and can range from yellow to blue, purple, or even black. The pupils of an iris flower are often used to identify different species of the flower.