‖n.; pl. Trabeculae [ L., a little beam. ] (Anat.) A small bar, rod, bundle of fibers, or septal membrane, in the framework of an organ part. [ 1913 Webster ]
a. (Anat.) Of or pertaining to a trabecula or trabeculae; composed of trabeculae. [ 1913 Webster ]
a. (Bot.) Crossbarred, as the ducts in a banana stem. [ 1913 Webster ]