(troi) noun
A system of weights in which 12 troy ounces make a pound, used by jewelers in England and the United States. See under WEIGHT. Also troy weight. [from Troyes; with ref. to a weight used at a fair held there]

(troi)
1. The site of nine superimposed ruined cities in NW Asia Minor: the seventh stratum, a Phrygian city of perhaps about 1200 B.C., the scene of the Iliad, was also called Ilium, Ilion.
2. A city on the Hudson River in eastern New York.