- serpentA snake.
- SerpensA large summer constellation of the northern sky said to resemble a snake. It is the only constellation consisting of two parts (Serpens Caput and Serpens Cauda) separated by the constellation Ophiuchus, representing the snake handler Asclepius.
- Serpens CaputThe western half of the northern constellation Serpens, said to resemble a snake. It is said to represent the head end of the snake.
- Serpens CaudaThe eastern half of the northern constellation Serpens, said to resemble a snake. It is said to represent the tail end of the snake.
- serpentiformHaving the form of a snake.
- serpentigenousBred of a serpent