tolu

noun

1. Also called tolu balsam, balsam of tolu, tolu resin. a fragrant, yellowish-brown balsam or resin obtained from a South American leguminous tree, Myroxylon balsamum, and used in medicine as a stomachic and expectorant, and in perfumery.
2. the tree itself.

noun

1. an aromatic balsam obtained from a South American tree, Myroxylon balsamumSee balsam (def. 1)