balsam of peru: dark brown syrupy balsam from the Peruvian balsam tree used especially in dressing wounds and treating certain skin diseases
tolu: aromatic yellowish brown balsam from the tolu balsam tree used especially in cough syrups
thanksgiving: fourth Thursday in November in the United States; second Monday in October in Canada; commemorates a feast held in 1621 by the Pilgrims and the Wampanoag