Definitions

1. adjective

relating to or used in a game or test involving four parts, especially in a university or college, in which the answers to four questions are given in the form of a riddle, charade, or other puzzle, with the first letter of each answer spelling out a word, phrase, or sentence.

“The quadrivial questions were challenging to solve, but the reward was well worth it.”

2. noun

a quadrivial or a question set with this format.

“The quadrivial was designed to test the contestants’ knowledge and creativity.”