from
The Collaborative International Dictionary of English v.0.48
Sesame \Ses"a*me\, n. [L. sesamum, sesama, Gr. ????, ???: cf. F.
s['e]same.] (Bot.)
Either of two annual herbaceous plants of the genus {Sesamum}
({Sesamum Indicum}, and {Sesamum 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]
{Open Sesame}, the magical command which opened the door of
the robber's den in the Arabian Nights' tale of "The Forty
Thieves;" hence, a magical password.
{Sesame grass}. (Bot.) Same as {Gama grass}.
[1913 Webster]