Noun
one of three equal parts of a divisible whole; "it contains approximately a third of the minimum daily requirement"

Noun
the cardinal number that is the sum of one and one and one

Noun
the third canonical hour; about 9 a.m.

n.
A cask whose content is one third of a pipe; that is, forty-two wine gallons; also, a liquid measure of forty-two wine, or thirty-five imperial, gallons.

n.
A cask larger than a barrel, and smaller than a hogshead or a puncheon, in which salt provisions, rice, etc., are packed for shipment.

n.
The third tone of the scale. See Mediant.

n.
A sequence of three playing cards of the same suit. Tierce of ace, king, queen, is called tierce-major.

n.
A position in thrusting or parrying in which the wrist and nails are turned downward.

n.
The third hour of the day, or nine a. m,; one of the canonical hours; also, the service appointed for that hour.

a.
Divided into three equal parts of three different tinctures; -- said of an escutcheon.

Tierce

Tierc'82

A cask whose content is one third of a pipe; that is, forty-two wine gallons; also, a liquid measure of forty-two wine, or thirty-five imperial, gallons.