noun
plural GEDs
[count] US
a test that is taken by an adult who did not finish high school to show that the person being tested has as much knowledge of basic math, science, English, etc., as a high school graduate
GED in this sense is an abbreviation of General Educational Development.
an official document that is given to a person who has taken and passed the GED
GED in this sense is an abbreviation of general equivalency diploma.