Also found in: Dictionary, Thesaurus, Encyclopedia, Wikipedia.
Related to quassia: Quassia amara


Bitterwood, the heartwood of Picrasma excelsa (Picraena excelsa), known as Jamaica quassia, or of Quassia amara (family Simaroubaceae), known as Surinam quassia; a bitter tonic; the infusion has been administered by enema in the treatment of threadworms.
[Quassi, a resident of Surinam who used it as a tonic]

Quassia (kwä·sh),

n a genus of the trees that belong to the family
Simaroubaceae, wood of which is used as a fever reducer.
References in periodicals archive ?
Picrasma excelsa (bark)--Also referred to as Quassia, this herb is considered a powerful simple bitter, hence its use as a digestive aide.
1 cucharo AAM1311 Pouteria torta zapotemonte AAM1450 Simarubaceas Quassia amara cruceto AAM1307 Simaba cedron cedron ACEG372 Teofrastaceas Clavija sp.
Antiulcerogenic activity of four extracts obtained from the bark wood of Quassia amara L.
Sin embargo, en el estudio realizado con extracto de Quassia amara a dosis de 1 000 y 1 500 mg/kg via intraduodenal se observo que la produccion de moco no se incremento en comparacion al control (despues de 4 horas) (15).
Over the years, I have developed one using Quassia, which is a herb that has been used for centuries to treat all kinds of infestations.
Place 1oz (25grams) of Quassia chips in a saucepan and pour one pint of boiling water over them.
Antifertility activity of Quassia amara: quassin inhibits the steroidogenesis in rat Leydig cells in vitro.
I tend to use old-fashioned and gentle herbal treatments like a shampoo based on Quassia and tea tree oil, which has been used successfully for centuries to treat nits.
Concerns about dousing kids with toxic chemicals have spawned a host of alternatives including neem oil, Napiers' Quassia shampoo and an aromatherapy blend from Nitty Gritty.
Duncan Napiers made up a Quassis Shampoo for nits that contains Quassia Bark, Wormwood, Tansy and Pokeroot.