E. Cobham Brewer 18101897. Dictionary of Phrase and Fable. 1898.
Optimë (plural, op-ti-ms),
in Cambridge phraseology, is a graduate in honours below a wrangler. Of course, the Latin optimus (a best man) is the fons et origo of the term. Optimës are of two grades: a man of the higher group is termed a senior optimë, while one of the inferior class is called a junior optimë.