Pound or Stone is a UNIT of measurement for weight. The two crossword solutions for this term are UNIT, which is an acronym for Unified National Interchangeable Units, and EZRA, which stands for the English Weights and Measures Act of 1824. UNIT is a system of measurement that was adopted in the United States in 1959, while EZRA is a British law that established a uniform system of weights and measures in the United Kingdom.