This section is from the book "The Home Cyclopedia Of General Information", by Charles Morris. Also available from Amazon: Home Cyclopedia of Necessary Knowledge.
[Fr. tour, a turn; and AS. naep, a turnip.] A plant with a large round root, tapering downwards. A native of Europe and the temperate parts of Asia. It is a common garden vegetable, and in many countries it is largely grown for sheep and cattle food. The Swedish turnip, or ruta baga, is much used in Europe for this purpose.
 
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