a. and sb. Obs. rare. [ad. L. trientālis, f. triens, trient-em: see TRIENT and -AL.]
A. adj. Pertaining to or constituting a third part (e.g., 1/3 of a foot in length, of a pound in weight, etc.).
1656. Blount, Glossogr., Triental (trientalis), of or being four inches broad or ounces in weight.
1891. Cent. Dict., Triental, a. of the value of a triens; of or pertaining to the triens, or third part.
B. sb. An ancient Roman drinking-vessel containing one-third of a sextarius.
1656. Blount, Glossogr., Triental (Lat.), a vessel containing the third part of Sextarius, half our Pint.
1789. Madan, trans. Persius, iii. (1795), 91. But a trembling comes on whilst at his wine, and the warm triental He shakes out of his hands.
