noun
Etymology: Scottish Gaelic plaide
Date: 1512
a rectangular length of tartan worn over the left shoulder as part of the Scottish national costume,
2. a twilled woolen fabric with a tartan pattern, a fabric with a pattern of tartan or an imitation of tartan,
3. tartan 1, a pattern of unevenly spaced repeated stripes crossing at right angles, plaid adjective plaided adjective