1. a system of weights in which a pound equals 16 ounces, used for measuring most goods except precious metals and gems
Usage: standard weight system in English-speaking countries; often abbreviated as 'avdp.'
2. weight or heaviness, especially of a person's body
Usage: informal; often used humorously or self-deprecatingly

Examples

• The recipe calls for 8 ounces of flour measured in avoirdupois weight.
• Most food labels in the United States display weight in avoirdupois pounds and ounces.
• The jeweler uses troy weight for diamonds, not avoirdupois.
• He joked about his avoirdupois after the holiday season.
• Avoirdupois is the standard system for weighing produce at the grocery store.