| 1. | any of several resinous substances, used in incenses, ointments, etc. |
| 2. | any tree, as of the genera Bursera and Populus, yielding such a product. |
| 3. | balsam poplar. |

| 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. |
tac·a·ma·hac (tāk'ə-mə-hāk') n.
[Spanish tacamaca, tacamahaca, from Nahuatl tecamaca.] |