Ram·til 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.
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Til seed (a) The seed of sesame. (b) The seed of an African asteraceous plant (Guizotia abyssinica), yielding a bland fixed oil used in medicine.
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