a North American tree, Populus balsamifera, having sticky, resinous buds and shiny ovate leaves.
Origin of balsam poplar
An Americanism dating back to 1780–90
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
British Dictionary definitions for balsam poplar
a poplar tree, Populus balsamifera, of NE North America, having resinous buds and broad heart-shaped leavesSee also tacamahac
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