The Collaborative International Dictionary of English v.0.48:

ceibo \ceibo\ n.
   a small South American spiny tree (Erythrina crista-galli)
   with dark crimson and scarlet flowers solitary or clustered.

   Syn: crybaby tree, cry-baby tree, common coral tree,
        Erythrina crista-galli.
        [WordNet 1.5]

WordNet (r) 3.0 (2006):

ceibo
    n 1: small South American spiny tree with dark crimson and
         scarlet flowers solitary or clustered [syn: ceibo,
         crybaby tree, cry-baby tree, common coral tree,
         Erythrina crista-galli]