/serr"peuhnz, -penz/ , n., gen. Serpentis /seuhr pen"tis/ . Astron.
the Serpent, a constellation consisting of two separate parts, the head (Serpens Caput) and the tail (Serpens Cauda) , with Ophiuchus in between.
[ serpens serpent, orig. prp. of serpere to creep, crawl; c. Gk hérpes (cf. HERPES, HERPETOLOGY) ]