The Collaborative International Dictionary of English v.0.48:

Maleo \Ma"le*o\, n. [From its native name.] (Zool.)
   A bird of Celebes (megacephalon maleo), allied to the brush
   turkey. It makes mounds in which to lay its eggs.
   [1913 Webster]

WordNet (r) 3.0 (2006):

maleo
    n 1: Celebes megapode that lays eggs in holes in sandy beaches
         [syn: maleo, Macrocephalon maleo]