Noun

1. A three-legged structure; a tripod.
   • 1621, Robert Burton, The Anatomy of Melancholy, New York Review of Books 2001, p. 73:

     Thales sent the golden tripos, which the fishermen found and the oracle commanded to be “given to the wisest”, to Bias, Bias to Solon, etc.

2. Any of the final examinations for a BA honours degree at Cambridge University.