n.
- an outer garment extending to the waist or hips, with sleeves and a fastening down the front.
- an outer covering placed around something for protection or insulation.
▸the dust jacket of a book.
▸a record sleeve.
- Brit. the skin of a potato.
- US a folder or envelope containing an official document or file.
- a steel frame fixed to the seabed to support an oil production platform.
v.
(jackets, jacketing, jacketed)
cover with a jacket.
Derivative
Etymology
ME: from OFr. jaquet, dimin. of jaque (see jack2).