Definition of: tacamahac

(tak′ə·mə·hak′) noun
1. A yellowish resinous substance with a strong odor, derived from various trees and used as incense.
2. Any of the trees producing this substance, especially the balsam poplar (Populus tacamahaca) of the United States. Also spelled tacmahack. Also tac′a·ma·hac′a (-hak′ə), tac′a·ma·hack′. [<Sp. tacamaca, tacamahaca <Nahuatl tecomahca, lit., fetid copal]