noun, plural tre·mis·ses [trih-mis-eez] /trɪˈmɪs iz/.
Also called triens. a gold coin of the Eastern Roman Empire, the third part of a solidus, first issued in the 3rd century a.d.
a Merovingian gold coin imitating this.
Origin of tremissis
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019