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trapezium - Meaning and Examples

Meaning of 'trapezium' (Webster Dictionary)

1 . Trapezium [ n.]
- A plane figure bounded by four right lines, of which no two are parallel.
- A bone of the carpus at the base of the first metacarpal, or thumb.
- A region on the ventral side of the brain, either just back of the pons Varolii, or, as in man, covered by the posterior extension of its transverse fibers.