noun

• A small supporting beam.
• (anatomy) A small mineralized spicule that forms a network in spongy bone.
• (anatomy) A fibrous strand of connective tissue that supports it in place.
• (entomology) Either of a pair of movable appendages on the head, in front of the antennae, of some mallophagous insects.
• (anatomy) One of the fleshy columns, or columnae carneae, in the ventricle of the heart, to which the chordae tendineae are attached.
• (botany) A projection from the cell wall across the cell cavity of the ducts of certain plants.