noun pl. trabeculae or trabeculas
- Anat., Zool.
- a small rod, bar, or bundle of fibers
- a small septum of fibers forming, with others of its kind, an essential part of the framework of an organ or part
- Bot. a rodlike structure, plate, or bar of tissue, as any of the crossbars in the peristome teeth of mosses
ModL < L, dim. of trabs: see trabeated