Noun
A military or military-style jacket made of fabric (wool or cotton).
A covering used by paleontologists to protect fossils, usually made of plaster and burlap.
Source: en.wiktionary.orgThere’s a down parka, a field jacket, a mountain parka and a liner jacket. Source: Internet
The specimen (BMR P2002.2) was recovered accidentally when it was included in a field jacket prepared to transport part of a tyrannosaur specimen. Source: Internet
Stuntz was clad in Coler's green FBI field jacket, which he appeared to have taken from the agent's car. Source: Internet
Up today: the awesome powers of the suede field jacket. Source: Internet