Scorpion

noun

1. Any of various arachnids of the order Scorpiones, related to the spiders, characterised by two large front pincers and a curved tail with a venomous sting in the end.

   "The peasants put two scorpions in a large bottle, and then take wagers as to which will win the struggle. Slowly the scorpions circle each other, until one lashes out at the other, and strikes him dead."

2. An ancient military engine for hurling stones and other missiles.
3. A very spiteful or vindictive person.
4. A cheerleading move in which one foot is pulled back and held up with both hands while the performer stands on the other foot.
5. A whip with points like a scorpion's tail.