Pennyweight, a Troy weight, containing 24 grains, each grain being equal to a grain of wheat from the middle of the ear, well dried. Twenty pennyweights make one ounce Troy weight.

Entry from Everybody's Cyclopedia, 1912.

Pen"ny*weight` (?), n.

A troy weight containing twenty-four grains, or the twentieth part of an ounce; as, a pennyweight of gold or of arsenic. It was anciently the weight of a silver penny, whence the name.


© Webster 1913.

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