Lewis & Short

† sēsămum (sīsăm-), i, n., = σήσαμον.

  1. I. Sesame or sesamum, an oily plant, a native of the East, Col. 2, 10, 18; 11, 2, 50; 11, 2, 56; 12, 15, 3; Pall. Sept. 7; id. Oct. 1, 3; Cels. 5, 15; Plaut. Poen. 1, 2, 113; Petr. 1 fin.
    Collat. form sēsĭma or sē-săma, ae, f., = σησάμη, Col. 2, 7, 1; Plin. 15, 7, 7, § 30; 18, 7, 10, § 49; 18, 10, 22, § 96, and 18, 10, 23, § 98.
  2. * II. Sesamum silvestre, another name for cici, the palma Christi, castor-oil plant, Plin. 15, 7, 7, § 25.