a poplar, Populus nigra italica, having a columnar manner of growth, with branches erect and parallel.
Origin of Lombardy poplar
First recorded in 1760–70
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
British Dictionary definitions for lombardy poplar
an Italian poplar tree, Populus nigra italica, with upwardly pointing branches giving it a columnar shape
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