A fishtail skirt is a type of skirt that fits closely around the hips and thighs and then flares out at the bottom, resembling the shape of a fish's tail. Full definition
Hi Elizabeth, here's a similar blue fishtail skirt from Shopbop although the tail isn't as eleborate — Jenni Kayne Godet Maxi Skirt. (creativefashionglee.com)
Sleeveless illusion wedding dress with leaf appliqués and sheer tulle fishtail skirt, Tony Ward for Kleinfeld (brides.com)
For evening, we love the little black dress, but if upping the style quotient is your aim, consider a supersleek jumpsuit from Yves Saint Laurent or an elongated fishtail skirt from Rick Owens. (harpersbazaar.com)