troy weight

noun

: a series of units of weight based on a pound of 12 ounces and an ounce of 480 grains see Weights and Measures Table

Word History

First Known Use

15th century, in the meaning defined above

Kids Definition

troy weight

noun

: a series of units of weight based on a pound of 12 ounces and the ounce of 20 pennyweights or 480 grains see measure

Medical Definition

troy weight

noun

: a series of units of weight based on a pound of 12 ounces and an ounce of 480 grains or 31.103 grams