a row of trees planted to protect an area from the wind
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Examples from the Web for shelter belt
Historical Examples of shelter belt
I have a question here: How long should a shelter-belt be cultivated?