Definition of scissure
1 archaic : a cleft or elongated opening in a body or surface made by or as if by cutting : a cleft separating bodily parts or opening into the body
2 obsolete : a split or division in a group or union : schism
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Origin and Etymology of scissure
Middle English, from Latin scissura, from scissus (past participle of scindere to split) + -ura -ure — more at shed
First Known Use: 14th century
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