[Native name in Peru.] A beverage inducing stupefaction and delirium, prepared from the seeds of Datura sanguinea by the Indians of Peru. Also in comb.
1852. Kingston, Manco, iii. (1853), 36. Our brother has but drunk the tonga; his spirit has departed for a season. Ibid., 37. The group of Indians … collected round the tonga-drinker.
1857. Dunglison, Med. Lex., s.v. Datura, A narcotic drink called Tonga.
