trabecular

noun pl. trabeculae or trabeculas

1. Anat., Zool.
   1. a small rod, bar, or bundle of fibers
   2. a small septum of fibers forming, with others of its kind, an essential part of the framework of an organ or part
2. Bot. a rodlike structure, plate, or bar of tissue, as any of the crossbars in the peristome teeth of mosses