Source : Webster's Revised Unabridged Dictionary (1913)

Platanus \Plat"a*nus\, n. [See {Plane} the tree.] (Bot.)
   A genus of trees; the plane tree.

Source : WordNet®

Platanus
     n : genus of large monoecious mostly deciduous trees: London
         plane; sycamore [syn: {genus Platanus}]