n.
Pronunciation: ' ik-th ē - ə - ˌ so ̇ r
Function: noun
Etymology: ultimately from Greek ichthy- + sauros lizard
Date: 1830
: any of an order (Ichthyosauria) of extinct marine reptiles of the Mesozoic specialized for aquatic life by a streamlined body with a long snout, limbs reduced to small fins for steering, and a large lunate caudal fin
– ich · thyo · sau · ri · an \ ˌ ik-th ē - ə - ' so ̇ r- ē - ə n \ adjective or noun