One of the mysteries of the English language finally explained.
1obsolete A jacket having an airtight lining which, when inflated, supports the wearer in water; a life jacket (obsolete).
2A jacket in which air or gas is circulated to reduce loss of heat from an enclosed vessel.
Mid 18th century; earliest use found in General Magazine Arts & Science.
In this article we explore how to impress employers with a spot-on CV.