Middle English cisours, sisoures, from Middle French cisoires, from Vulgar Latin *caesorium (singular) cutting instrument, from Latin caedere to cut
First Known Use: 14th century
noun plural but singular or plural in construction\ˈsiz-ərz\(Medical Dictionary)
Medical Definition of SCISSORS
: a cutting instrument having two blades whose cutting edges slide past each other
Cutting instrument or tool consisting of a pair of opposed metal blades that meet and cut when the handles at their ends are brought together. Modern scissors are of two types: the more usual pivoted blades have a rivet or screw connection between the cutting ends and the handle ends; spring shears have a C-shaped spring connection at the handle ends.