- the seed of the orangelike fruit of an East Indian tree, Strychnos nux-vomica, of the logania family, containing strychnine, used in medicine.
- the tree itself; strychnine.
Origin of nux vomica
1570–80; < New Latin: literally, vomiting nut
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
- an Indian spiny loganiaceous tree, Strychnos nux-vomica, with orange-red berries containing poisonous seeds
- any of the seeds of this tree, which contain strychnine and other poisonous alkaloids
- a medicine manufactured from the seeds of this tree, formerly used as a heart stimulant
C16: from Medieval Latin: vomiting nut
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012