A "24-inch waist" refers to the measurement around the narrowest part of the torso, typically just above the belly button. This size is often associated with certain clothing sizes, particularly in women's fashion, where it may correspond to a size 0 or 2, depending on the brand. This waist measurement can be a point of reference in discussions about body shape and health. It is important to note that body measurements can vary widely among individuals, and a 24-inch waist may not be a standard or healthy size for everyone, as factors like genetics, body type, and overall health play significant roles.