commissure
com·mis·sure
noun \ˈkä-mə-ˌshu̇r\Definition of COMMISSURE
1
: a point or line of union or junction especially between two anatomical parts (as adjacent heart valves)
2
: a connecting band of nerve tissue in the brain or spinal cord
— com·mis·sur·al \ˌkä-mə-ˈshu̇r-əl\ adjective
Origin of COMMISSURE
Middle English, from Middle French or Latin; Middle French, from Latin commissura a joining, from commissus, past participle
First Known Use: 15th century
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