(tär′tən) noun
1. A woolen fabric having varicolored lines or stripes at right angles, forming a distinctive pattern; a woolen plaid; the characteristic dress of the Scottish Highlanders, each clan having its particular pattern or patterns; hence, any similar pattern; a plaid.
2. A garment made of tartan.
—adjective Made of tartan; also, striped or checkered in a manner similar to the Scottish tartans. [? <OF tiretaine linsey–woolsey]

(tär′tən) noun
1. A Mediterranean vessel having one mast with a large lateen sail.
2. A variety of long, covered carriage. [<F tartane <Arabic ṭarīdah, kind of ship]