1. (n.) Any one of numerous species of pulmonate arachnids of the order Scorpiones, having a suctorial mouth, large claw-bearing palpi, and a caudal sting.

2. (n.) The pine or gray lizard (Sceloporus undulatus).

3. (n.) The scorpene.

4. (n.) A painful scourge.

5. (n.) A sign and constellation. See Scorpio.

6. (n.) An ancient military engine for hurling stones and other missiles.