Source : Webster's Revised Unabridged Dictionary (1913)

Pandanus \Pan*da"nus\, n. [NL., fr. Malay pandan.] (Bot.)
   A genus of endogenous plants. See {Screw pine}.

Source : WordNet®

pandanus
     n 1: fiber from leaves of the pandanus tree; used for woven
          articles (such as mats)
     2: any of various Old World tropical palmlike trees having huge
        prop roots and edible conelike fruits and leaves like
        pineapple leaves [syn: {screw pine}]