Noun
Niger seed (plural Niger seeds)
The seed of the ramtil plant.
Homophones Niger main (Latin for "black") occurs in Latinate scientific nomenclature and is the root word for some homophones of nigger; sellers of niger seed (used as bird feed), sometimes use the spelling Nyjer seed. Source: Internet
Ethiopian cuisine also uses nug (also spelled noog, also known as "niger seed"). Source: Internet