Jacketing

jack·et  (jkt)

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.

tr.v. jack·et·ed, jack·et·ing, jack·ets

To supply or cover with a jacket.

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[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) or from Old Catalan jaco (perhaps from Arabic akk, mailcoat).]

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jacket·ed adj.