The term SKIRT SLIT refers to a design feature of a skirt, which is a type of clothing item typically worn by women. The crossword solutions for this term are VENT (4 letters) and PLACKET (7 letters). A VENT is a slit in the fabric of a skirt that allows for more movement and flexibility. A placket is a piece of fabric that is sewn into the waistband of a skirt, which can be opened or closed with buttons or a zipper.