trabecula

noun
tra·​bec·​u·​la | \ trə-ˈbe-kyə-lə How to pronounce trabecula (audio) \
plural trabeculae\ trə-​ˈbe-​kyə-​ˌlē How to pronounce trabeculae (audio) , -​ˌlī \ also trabeculas

Definition of trabecula

1 : a small bar, rod, bundle of fibers, or septal membrane in the framework of a body organ or part
2 : a fold, ridge, or bar projecting into or extending from a plant part especially : a row of cells bridging an intercellular space

Other Words from trabecula

trabecular \ trə-​ˈbe-​kyə-​lər How to pronounce trabecular (audio) \ adjective
trabeculate \ trə-​ˈbe-​kyə-​lət How to pronounce trabeculate (audio) \ adjective

First Known Use of trabecula

circa 1866, in the meaning defined at sense 1

History and Etymology for trabecula

New Latin, from Latin, little beam, diminutive of trabs, trabes beam

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The first known use of trabecula was circa 1866

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Cite this Entry

“Trabecula.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/trabecula. Accessed 24 Feb. 2020.

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More Definitions for trabecula

trabecula

noun
tra·​bec·​u·​la | \ trə-ˈbek-yə-lə How to pronounce trabecula (audio) \
plural trabeculae\ -​ˌlē How to pronounce trabeculae (audio) \ also trabeculas

Medical Definition of trabecula

1 : a small bar, rod, bundle of fibers, or septal membrane in the framework of a bodily organ or part (as the spleen)
2 : one of a pair of longitudinally directed more or less curved cartilaginous rods in the developing skull of a vertebrate that develop under the anterior part of the brain on each side of the pituitary gland and subsequently fuse with each other and with the parachordal cartilages to form the base of the cartilaginous cranium
3 : any of the intersecting osseous bars occurring in cancellous bone

More from Merriam-Webster on trabecula

Britannica.com: Encyclopedia article about trabecula

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