1. Commerce definition, an interchange of goods or commodities, especially on a large scale between different countries (foreign Commerce ) or between different parts of the same country (domestic Commerce ); trade; business

2. In most developed countries, the water supplied to domestic, commerce and industry is all of drinking water standard even though only a very small proportion is actually consumed or used in food preparation.

3. ‘The loaf of Breadstuff was just sitting there waiting for me.’ ‘Exports of Breadstuffs in October of this year amounted to $38,247,570, according to statistics made public today by the Bureau of Foreign and Domestic Commerce, an increase of nearly $25,000,000 over the figures for October, 1913.’