noun1. a literary or dialect word for snake
2. Old Testament a manifestation of Satan as a guileful tempter (Genesis 3:1–5)
3. a sly, deceitful, or unscrupulous person
4. an obsolete wind instrument resembling a snake in shape, the bass form of the cornett
5. a firework that moves about with a serpentine motion when ignited
Word origin
C14: via Old French from Latin
serpēns a creeping thing, from
serpere to creep; related to Greek
herpein to crawl