The Collaborative International Dictionary of English v.0.48:

Malpighia \Mal*pi"ghi*a\, n. [NL. See Malpighian.] (Bot.)
   A genus of tropical American shrubs with opposite leaves and
   small white or reddish flowers. The drupes of Malpighia
   glabra (formerly Malpighia urens) are eaten under the name
   of Barbadoes cherries.
   [1913 Webster]

WordNet (r) 3.0 (2006):

Malpighia
    n 1: type genus of the Malpighiaceae [syn: Malpighia, genus
         Malpighia]