We found 8 dictionaries that define the word troy weights:

General (4 matching dictionaries)

1. troy weights: Merriam-Webster
2. troy weights: Collins English Dictionary
3. troy weights: Vocabulary.com
4. Troy weights: TheFreeDictionary.com

Business (1 matching dictionary)

5. Troy weights: Legal dictionary

Computing (1 matching dictionary)

6. troy weights: Encyclopedia

Medicine (1 matching dictionary)

7. troy weights: Merriam-Webster Medical Dictionary

Science (1 matching dictionary)

8. How Many? A Dictionary of Units of Measurement (No longer online)

(Note: See troy_weight as well.)

Definitions from Wiktionary (troy weight) ▸ noun:  A system of units of weight/mass, mostly used for precious metals and gemstones, in which the pound contains 12 ounces which each contain 480 grains. ▸ Also see troy_weight ▸ Words similar to troy weights ▸ Usage examples for troy weights ▸ Idioms related to troy weights ▸ Wikipedia articles (New!) ▸ Words that often appear near troy weights ▸ Rhymes of troy weights ▸ Invented words related to troy weights