-ig|nāsh(ē)əs(ə̇z)|- noun
Usage: usually capitalized S&I
Etymology: after St. Ignatius of Loyola (Íñigo de Oñez y Loyola) died 1556 Spanish soldier and ecclesiastic, founder of the Jesuits
: the greenish straw-colored seed of a Philippine woody vine ( Strychnos ignatii ) like nux vomica in its action and uses — see strychnine