noun, genitive Ser·pen·tis [ser-pen-tis] /sərˈpɛn tɪs/. Astronomy.
- the Serpent, a constellation consisting of two separate parts, the head (Serpens Caput) and the tail (Serpens Cauda), with Ophiuchus in between.
noun Latin genitive Serpentis (səˈpɛntɪs)
- a faint extensive constellation situated in the N and S equatorial regions and divided into two parts, Serpens Caput (the head) lying between Ophiuchus and Boötes and Serpens Cauda (the tail) between Ophiuchus and Aquila