səˈpindəs noun
Usage: capitalized
Etymology: New Latin, probably from Latin sapo soap + Indus of India, India, from Greek Indos — more at saponaceous , india
: a genus of tropical and subtropical trees (family Hippocastanaceae) having simply pinnate leaves, flowers nearly regular, and fruit a globose or 2- or 3-lobed berry — see soapberry ; compare sapindaceae