The Collaborative International Dictionary
Testamur
Testamur \Tes*ta"mur\, n. [L., we testify, fr. testari to testify.] (Eng. Universities) A certificate of merit or proficiency; -- so called from the Latin words, Ita testamur, with which it commences.
Wiktionary
testamur
n. A certificate of successful completion of an examination.