The Collaborative International Dictionary of English v.0.48:

Theobroma \The`o*bro"ma\, n. [NL., fr. Gr. ? a god + ? food, fr.
   ? to eat: cf. F. th['e]obrome.] (Bot.)
   A genus of small trees. See Cacao.
   [1913 Webster]

WordNet (r) 3.0 (2006):

Theobroma
    n 1: cacao plants [syn: Theobroma, genus Theobroma]