- the black seed of a tropical African composite plant, Guizotia abyssinica, yielding an oil used as food, in the manufacture of soap, etc.
Origin of Niger seed
First recorded in 1885–90
Also called ramtil.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
- another name for ramtil (def. 2)