■ plural noun
1》 (also a pair of ~ ) an instrument used for cutting cloth and paper, consisting of two crossing blades pivoted in the middle and operated by thumb and fingers inserted in rings at each end.
2》 (also scissor ) [as modifier ] denoting an action in which two things cross each other or open and close like a pair of ~: a scissor kick.
Origin
ME: from OFr. cisoires , from late L. cisoria , plural of cisorium 'cutting instrument'; the sc- spelling arose by assoc. with the L. stem sciss- 'cut'.