The Collaborative International Dictionary of English v.0.48:

Trabeculate \Tra*bec"u*late\, a. (Bot.)
   Crossbarred, as the ducts in a banana stem.
   [1913 Webster]

WordNet (r) 3.0 (2006):

trabeculate
    adj 1: of or relating to trabeculae [syn: trabecular,
           trabeculate]