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tracery
trachea
tracheid
tracheitis
tracheo-
tracheobronchial
tracheoesophageal
tracheole
tracheophyte
tracheoscopy
tracheostomy
tracheotomy
trachoma
trachyte
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tracing
tracing paper
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trabecula

tra·bec·u·la [ trə békyələ ] (plural tra·bec·u·lae [ trə békyə l ] or tra·bec·u·las)


noun 
Definition:
 
1. anatomy rod-shaped support in organ: a rod-shaped body part that forms an internal support of an organ and divides it into separate chambers

2. anatomy bar of bony tissue: a thin bar of bony tissue in spongy bone that, with others, forms a mesh whose interconnecting spaces contain bone marrow

3. botany rod-shaped cell: a rod-shaped cell or structure that bridges a cavity, e.g. between cells

[Mid-19th century. < Latin, "small beam" < trab- "beam"]

tra·bec·u·lar adjective
tra·bec·u·late adjective
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