triens

trĭens, entis, m. [tres], a third part, a third of any thing.

I.

In gen.:

cum sciemus, quantum quasi sit in trientis triente,

Cic. Att. 7, 8, 3:

medicaminis,

Col. 12, 20, 7:

ut triens ex heminā supersit,

Plin. 23, 7, 68, § 133.—Of inheritances:

cum duobus coheredibus esse in triente,

Cic. Att. 7, 8, 3:

heredes ex triente,

Suet. Aug. 101.—

II.

In partic.

A.

Of coins.

1.

The third part of an as, Varr. L. L. 5, § 171 Müll.; Hor. A. P. 328; Plin. 33, 3, 13, § 45; Liv. Ep. 60; 22, 10, 7; Messala ap. Plin. 34, 13, 38, § 137; Juv. 3, 267.—

2.

Under the later emperors, a gold coin, the third part of an aureus, Gall. ap. Treb. Claud. 17 fin. —

B.

As a measure of interest, one third per cent. monthly, or, in our way of reckoning, four per cent. yearly:

usurae,

Dig. 35, 2, 3 fin.:

pensiones,

Lampr. Alex. Sev. 21.—

C.

In square or long measure.

1.

The third of a juger, Col. 5, 1, 11; 5, 2, 2.—

2.

The third of a foot in length, Front. Aquaed. 26; 38. —

D.

In liquid measure, a third of a sextarius, i. e. four cyathi, Prop. 3, 10 (4, 9), 29; Mart. 1, 107, 8; 6, 86, 1; 9, 88, 2; 10, 49, 1.—

E.

Among mathematicians, the number two (as a third of six), Vitr. 3, 1 med. —

III.

Trientem tertium... id significare ait Cincius duas libras pondo et trientem, Fest. p. 363.