| a North American tree, Populus balsamifera, having sticky, resinous buds and shiny ovate leaves. |
| balsam poplar n. A poplar tree of northern North America (Populus balsamifera) having ovate leaves and large buds coated with a sticky, fragrant resin. Also called hackmatack, tacamahac. |
hack·ma·tack (hāk'mə-tāk') n. See balsam poplar. [Earlier hakmantak, hacmontac, perhaps from Western Abenaki.] |