jacket

(dentistry) dental appliance consisting of an artificial crown for a broken or decayed tooth.

An outer wrapping or casing.

“phonograph records were sold in cardboard jackets”

A short coat.

The outer skin of a potato.

The tough metal shell casing for certain kinds of ammunition.

Provide with a thermally non-conducting cover.

“The tubing needs to be jacketed”

Put a jacket on.

“The men were jacketed”