from The American Heritage® Dictionary of the English Language, 4th Edition
- n. A unit of troy weight equal to 24 grains, 1/20 of a troy ounce or approximately 1.555 grams.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A former unit of mass equal to 24 grains, or 1/20th of a troy ounce
from the GNU version of the Collaborative International Dictionary of English
- n. A troy weight containing twenty-four grains, or the twentieth part of a troy ounce; 1.555 grams. It is abbreviated dwt or pwt. It was anciently the weight of a silver penny, whence the name.
from The Century Dictionary and Cyclopedia
- n. Originally, a weight equal to that of the Anglo-Norman silver penny, 22 ½ grains, or of a Tower pound; now, and since the eighteenth year of Henry VIII., when the use of the Tower pound was forbidden, a weight of 24 grains, or of a troy ounce. Abbreviated dwt.
- n. A proportional measure of one-twelfth, used in stating the fineness of silver. See carat.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. a unit of apothecary weight equal to 24 grains
Sorry, no etymologies found.