Definition of "aconite"

Witches always anointed themselves with ointments before departing up the chimney to their Sabbaths. One such ointment was composed of Aconite, Belladonna, Water Parsley, Cinquefoil and Babies' Fat.

1936, Rollo Ahmed, The Black Art, London: Long, page 112

Rampion grown in the cottage garden made the children of the house quarrelsome; breathing deeply into a handful of mint refreshed your senses, but aconite could cause your death.

1940, Rosetta E. Clarkson, Green Enchantments: The Magic Spell of Gardens, The Macmillan Company, page 254