1. A fixed bandage applied around the body in order to immobilize the spine. 2. In dentistry, a term commonly used in reference to an artificial crown composed of fired porcelain or acrylic resin. [M.E., fr. O.Fr. jaquet, dim. of jaque, tunic, fr. Jacques, nickname of Fr. peasants.]
- Minerva j. a plaster of Paris body cast incorporating the head and trunk, usually for fracture of the cervical spine.
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jack·et 'jak-ət n
1) a rigid covering that envelops the upper body and provides support, correction, or restraint
2) JACKET CROWN
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jack·et (jakґət) 1. an enveloping structure or garment, especially a covering for the trunk or for the upper part of the body. 2. jacket crown; see under crown.Medical dictionary. 2011.