: an Australasian shrubby pepper (Piper methysticum) from whose crushed root an intoxicating beverage is made; also: the beverage
: a preparation consisting of the ground dried rhizome and roots of the kava plant that is used as a dietary supplement chiefly to relieve stress, anxiety, and sleeplessness and in folk medicine especially as a diuretic and urogenital antiseptic and that has been linked to cases of severe liver injury
Nonalcoholic, yellow-green, somewhat bitter beverage made from the root of the pepper plant (mainly Piper methysticum) in most South Pacific islands. It is traditionally consumed in the kava ceremony, which includes the ritual making and drinking of kava and a ceremonial feast. It is taken to relieve stress and anxiety and as a mood elevator.