The correct spelling of the word "Vomic nut" is actually "Vomica nut." This nut is named after the Latin word "vomica," meaning "an abscess or cyst." It is a round, hard seed found in the fruit of the strychnine tree, and is known for its poisonous properties. The phonetic transcription of "Vomica" is /vɑːˈmɪkə/, emphasizing the "o" sound in the first syllable and the long "i" sound in the second syllable.
Nux vomica.
A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.
The English form of nux vomica, which see.
Etymological and pronouncing dictionary of the English language. By Stormonth, James, Phelp, P. H. Published 1874.