The Collaborative International Dictionary of English v.0.48:

msasa \msasa\ n. (Bot.)
   Amall shrubby African tree (Brachystegia speciformis)
   having compound leaves and racemes of small fragrant green
   flowers.

   Syn: Brachystegia speciformis.
        [WordNet 1.5]

WordNet (r) 3.0 (2006):

msasa
    n 1: small shrubby African tree having compound leaves and
         racemes of small fragrant green flowers [syn: msasa,
         Brachystegia speciformis]