Word Study
sesame
CIDE DICTIONARY
sesame, n. [L. sesamum, sesama, Gr. , : cf. F. sésame.].
Either of two annual herbaceous plants of the genus Sesamum (S. Indicum , and S. orientale ), from the seeds of which an oil is expressed; also, the small obovate, flattish seeds of these plants, sometimes used as food. See Benne. [1913 Webster]
OXFORD DICTIONARY
sesame, n. Bot.
1 an E. Indian herbaceous plant, Sesamum indicum, with seeds used as food and yielding an edible oil.
2 its seeds.
1 an E. Indian herbaceous plant, Sesamum indicum, with seeds used as food and yielding an edible oil.
2 its seeds.
Idiom
open sesame a means of acquiring or achieving what is normally unattainable (from the magic words used in the Arabian Nights' Entertainments).
Etymology
L sesamum f. Gk sesamon, sesame
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