plaid
a kilt.
Vent
vent
Tartan is a regular plaid pattern in a fabric, usually applied to Scottish kilts.
A tartan skirt is a kilt (four letters) or kilts (plural).
The kilt or kilts.
kilts
A tartan skirt is a kilt, which is only 4 letters, but the Irish kerns (Gaelic soldiers) wore a leine, which was really a long shirt but is often (incorrectly) depicted as a kilt.
A word for a tartan skirt is plaid.
Kilt.
A tartan skirt is a "kilt." Perhaps the clue was plural.
plaid
The Scottish tartan 'skirt' - is called a kilt.
kilts
You're thinking of the kilt
A skirt which is tartan in colour.