Definition of Pseudechis in US English:

Pseudechis

noun

Zoology
  • A genus of Australasian snakes of the family Elapidae, which consists of large, smooth-scaled venomous snakes, some of which can flatten the neck like a cobra when threatened, and comprises the black snakes and the king brown snake (Pseudechis australis); (also pseudechis) a snake of this genus.

Origin

Late 19th century; earliest use found in Encyclopaedia Britannica. From scientific Latin Pseudechis from ancient Greek ψευδ- + ἔχις viper, probably after German † Trugschlange.