United State's weight system used for most everything except gems and precious metals.

(avdp) The system of weights in which 16 ounces equals one pound.

A basis for weighing things other than jewels and precious metals. The unit is a pound containing 7000 Troy grains. The Troy pound contains 5760 grams.

a system of weights based on the 16-ounce pound (or 7,000 grains)

excess bodily weight; "she found fatness disgusting in herself as well as in others"

a system of weights for commodities except precious metals, stones, and drugs. One avoirdupois ounce equals 28.35 grams or 437.50 grains. See troy ounce.

Series of units of weight based on 1 pound = 16 ounces and 1 ounce = 16 drams

The system of weights and measures commonly used in the U.S. and Great Britain in which 16 oz. = 1 pound. It is used for most solid objects except precious metals and gems. One avoirdupois ounce equals 28.35 grams or 437.50 grains. See