noun.
An annual plant, Sesamum Indicum, natural order Pedaliaceœ, a native of India, but largely cultivated in most tropical and subtropical countries for the sake of the seeds and the oil expressed from it.
the GNU version of the Collaborative International Dictionary of English
noun.
The name of two plants (Sesamum orientale and Sesamum indicum), originally Asiatic; -- also called oil plant. From their seeds an oil is expressed, called benne oil or sesame oil, used mostly for making soap. In the southern United States the seeds are used in candy.