jacketing


jack·et

J0003100 (jăk′ĭt)n.1. A short coat usually extending to the hips.2. An outer covering or casing, especially:a. The skin of a potato.b. The dust jacket of a book or phonograph record.c. An insulation covering for a steam pipe, wire, boiler, or similar part.d. An open envelope or folder for filing papers.e. The outer metal shell or case of a bullet.3. A piece of jewelry or other ornament that attaches to an earring stud.tr.v. jack·et·ed, jack·et·ing, jack·ets To supply or cover with a jacket.
[Middle English jaket, from Old French jaquet, diminutive of jaque, short jacket, tunic, from jacques, nickname for French peasants, from the name Jacques; see jack.]
jack′et·ed adj.