kilt

1. A traditional Scottish garment, usually worn by men, having roughly the same morphology as a wrap-around skirt, with overlapping front aprons and pleated around the sides and back, and usually made of twill-woven worsted wool with a tartan pattern.
2. Any Scottish garment from which the above lies in a direct line of descent, such as the philibeg, or the great kilt or belted plaid
3. A plaid, pleated school uniform skirt sometimes structured as a wraparound, sometimes pleated throughout the entire circumference; also worn by boys in the 19th-century United States.
4. A variety of non-bifurcated garments made for men and loosely resembling a Scottish kilt, but most often made from different fabrics and not always with tartan plaid designs.

Plural kilts