from The American Heritage® Dictionary of the English Language, 4th Edition
- n. An Ethiopian plant (Guizotia abyssinica) having opposite leaves and rayed, yellow flower heads, grown for its oil-rich seeds.
from the GNU version of the Collaborative International Dictionary of English
- n. A tropical African asteraceous shrub (Guizotia abyssinica) cultivated for its seeds (called ramtil seeds or niger seeds) which yield a valuable oil used for food and as an illuminant.
from The Century Dictionary and Cyclopedia
- n. A plant, Guizotia Abyssinica, with oleiferous seeds.
Hindi rāmtil : Sanskrit rāma-, dark + Sanskrit tilaḥ, sesame.(American Heritage® Dictionary of the English Language, Fourth Edition)