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bivium

noun biv·i·um \ ˈbiveəm , ˈbīv- \

Definition of bivium

plural bivia
: the two rays of a starfish between which is the madreporite —opposed to trivium

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Origin and Etymology of bivium

New Latin, from Latin, crossroads, from neuter of bivius having two roads, from bi- 1bi- + -vius (from via road, way)

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