Tierce

n.	1.	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.
	2.	A cask larger than a barrel, and smaller than a hogshead or a puncheon, in which salt provisions, rice, etc., are packed for shipment.
	3.	(Mus.) The third tone of the scale. See Mediant.
	4.	A sequence of three playing cards of the same suit. Tierce of ace, king, queen, is called tierce-major.
	5.	(Fencing) A position in thrusting or parrying in which the wrist and nails are turned downward.
	6.	(R. C. Ch.) The third hour of the day, or nine a. m,; one of the canonical hours; also, the service appointed for that hour.
a.	1.	(Her.) Divided into three equal parts of three different tinctures; - said of an escutcheon.

Noun	1.	tierce - the third canonical hour; about 9 a.m. Synonyms: terce
	2.	tierce - the cardinal number that is the sum of one and one and one Synonyms: tercet, ternary, ternion, terzetto, three, threesome, trey, triad, trine, trinity, trio, triplet, 3, deuce-ace, III, leash, troika
	3.	tierce - one of three equal parts of a divisible whole; "it contains approximately a third of the minimum daily requirement" Synonyms: one-third, third