OPHIDIA
Serpentes, suborder Serpentes, Ophidia, suborder Ophidia
(noun) snakes
Source: WordNet® 3.1
O*phid"i*a, n. pl. Etym: [NL., fr. Gr. (Zoöl.)
Definition: The order of reptiles which includes the serpents.
Note: The most important divisions are: the Solenoglypha, having
erectile perforated fangs, as the rattlesnake; the Proteroglypha, or
elapine serpents, having permanently erect fang, as the cobra; the
Asinea, or colubrine serpents, which are destitute of fangs; and the
Opoterodonta, or Epanodonta, blindworms, in which the mouth is not
dilatable.
Source: Webster’s Unabridged Dictionary 1913 Edition