A "tweed skirt" refers to a skirt made from tweed fabric, which is a thick woven material usually associated with a more formal or classic style. Full definition
Example of Ann Taylor floral tweed skirt with Burberry plaid blazer, silk scarf, L.K. Bennett patent leather pumps, Gucci scarf, and Kate Moss for Longchamp satchel (all own) as unmatched suit where the blazer serves as outerwear (highlatitudestyle.com)
I actually did a post a little while ago about a new tweed skirt from Topshop and how to style it! (thesilksneaker.com)
Number one aficionado of bright pinks might become Karl Lagerfeld to design a series of fuchsia or pink tweed skirt suits for Chanel and to make them even more finger - licking good in combination with tonal boots and pork hats. (layow.com)