scissors
n//ˈsɪzəz//sax
(countable, usually, construed as plural) A tool used for cutting thin material, consisting of two crossing blades attached at a pivot point in such a way that the blades slide across each other when the handles are closed.
(rock paper scissors) A hand with the index and middle fingers open (a handshape resembling scissors), that beats paper and loses to rock. It beats lizard and loses to Spock in rock-paper-scissors-lizard-Spock.