- tolu, balsam of tolu, tolu balsam - aromatic yellowish brown balsam from the tolu balsam tree used especially in cough syrups
--1 is a kind of balsam
--1 is a substance of
--1 has particulars: balsam of Perutolu tree, tolu balsam tree, Myroxylon balsamum, Myroxylon toluiferum