Definition of: serpent

(sûr′pənt) noun
1. A scaly, limbless reptile; a snake, especially when of large size.
2. Anything of serpentine form or appearance, as a certain kind of twisting firework.
3. An obsolete musical wind instrument, bent several times in serpentine form.
4. An insinuating and treacherous person.
5. Satan. [<OF <L serpens, -entis a serpent, creeping thing, orig. ppr. of serpere creep]