Definitions

1. verb

to bring to a close or an end; to finish

“The project will qed within the next six months.”

2. verb

to provide (a mathematical proof or a solution) using the quod erat demonstrandum (Latin) symbol

“The mathematician decided to qed the equation with a simple solution.”

3. noun

an abbreviation of ‘quod erat demonstrandum’, a Latin phrase meaning ‘which was to be demonstrated’, used to indicate the end of a proof or solution

“Theqed at the end of the math problem meant it was solved.”