from the GNU version of the Collaborative International Dictionary of English
- n.pl. An extinct order of marine reptiles, including Ichthyosaurus and allied forms; -- called also Ichthyopterygia. They have not been found later than the Cretaceous period.
from The Century Dictionary and Cyclopedia
- An order of gigantic extinct marine fish-like Reptilia, having somewhat the shape of a cetacean mammal, with an enormous head, no obvious neck, and a tapering body, with four paddle-like flippers, and probably a fin-like expansion of the caudal region.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. extinct marine reptiles: ichthyosaurs
Sorry, no etymologies found.