1. Colliery (plural collieries) (Britain) An underground coal mine, together with its surface buildings

2. As late as 1950, 2,905 people were employed in the collieries in and immediately around Backworth.

3. Jackson's company became overextended financially, having invested in steamships and collieries as well as docks and railways.

4. The sole industrial centre in Belgium outside the collieries and blast furnaces of Wallonia was the historic cloth making town of Ghent.

5. Colliery states the name the Colliery or level was known as when it first opened; many sites were enlarged, and some levels were developed into collieries