Troy

UK: 'Troy', 'troy': /'trɔɪ/ US: (troi)

Collins Concise English Dictionary © HarperCollins Publishers::

Troy / trɔɪ/ noun

1. any of nine ancient cities in NW Asia Minor, each of which was built on the ruins of its predecessor. The seventh was the site of the Trojan War (mid-13th century bc)
   Also called: Ilion, Ilium
   Related adjective(s): Trojan

WordReference Random House Unabridged Dictionary of American English © 2025

troy (troi), adj. 

1. Weights and Measures expressed or computed in troy weight.

• Middle English troye, after Troyes, France, where it was standard 1350–1400

Troy  (troi), n. 

1. Classics, Ancient History, Place Names Latin, Ilium. Greek, Ilion. an ancient ruined city in NW Asia Minor: the seventh of nine settlements on the site is commonly identified as the Troy of the Iliad.
2. Place Names a city in SE Michigan, near Detroit. 67,107.
3. Place Names a city in E New York, on the Hudson River. 56,638.
4. Place Names a city in W Ohio. 19,086.
5. Place Names a city in S Alabama. 12,587.
6. a male given name.

WordReference Random House Unabridged Dictionary of American English © 2025

Il•i•on  (il′ē ən, -on′), n. 

1. Ancient History Greek name of ancient Troy. 

WordReference Random House Unabridged Dictionary of American English © 2025

il•i•um  (il′ē əm), n., pl. il•i•a (il′ē ə). [Anat.]

1. Anatomy the broad, upper portion of either hipbone. See diag. under pelvis. 

• Neo-Latin, special use of Medieval Latin īlium, as singular of Latin īlia; see ileum
• 1705–1710

Il•i•um  (il′ē əm), n. 

1. Ancient History Latin name of ancient Troy. 

WordReference Random House Unabridged Dictionary of American English © 2025

troy′ weight′, 

1. Weights and Measures a system of weights in use for precious metals and gems (formerly also for bread, grain, etc.): 24 grains = 1 pennyweight (1.555 grams);
   20 pennyweights = 1 ounce (31.103 grams);
   12 ounces = 1 pound (0.373 kilogram). The grain, ounce, and pound are the same as in apothecaries' weight, the grain alone being the same as in avoirdupois weight. The troy pound is no longer a standard weight in Great Britain.

• late Middle English 1425–75

Collins Concise English Dictionary © HarperCollins Publishers::

troy weight, troy / trɔɪ/ noun

1. a system of weights used for precious metals and gemstones, based on the grain, which is identical to the avoirdupois grain. 24 grains = 1 pennyweight; 20 pennyweights = 1 (troy) ounce; 12 ounces = 1 (troy) pound

Etymology: 14th Century: named after Troyes, where it was first used