Definitions for "foreign object"
a catch-all object type for the many different types of resources that you can add to a page
a professional wrestling term for an object introduced into the match
An object that is illegal to the match, such as a chair, brass knuckles, garbage can, etc. In the late 1980's, Ted Turner had a policy on his news networks that all commentators were to not use the word "foreign", but instead use the word "international". Wrestling announcers on TBS picked up on this, and a foreign object is still occasionally, jokingly called the "international object".
Keywords:  part, body
not normally a part of the body.