One of the mysteries of the English language finally explained.
1historical A piece of armour to protect the arm. Now historical.
2A piece or component for or constituting an arm.
3A physically attractive companion, especially a woman, seen on the arm of a person, typically a male celebrity, at a social event.
Mid 17th century; earliest use found in Charles Hoole (1610–1667), schoolmaster and author. From arm + piece.
arm piece/ˈɑːm piːs/
In this article we explore how to impress employers with a spot-on CV.