■ noun
1》 an outer garment extending to the waist or hips, with sleeves and a fastening down the front.
2》 an outer covering placed around something for protection or insulation.
↘the dust ~ of a book.
↘a record sleeve.
3》 Brit. the skin of a potato.
4》 US a folder or envelope containing an official document or file.
5》 a steel frame fixed to the seabed to support an oil production platform.
■ verb ( ~s , ~ing , ~ed ) cover with a ~.
Derivatives
-~ed adjective
Origin
ME: from OFr. jaquet , dimin. of jaque (see jack 2 ).