tacamahac

noun

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.

noun

1. any of several strong-smelling resinous gums obtained from certain trees, used in making ointments, incense, etc
2. any tree yielding this resin, esp the balsam poplar