Etymology From dinosaur + -ian, or Dinosauria + -an.
1
Of, like, or pertaining to a dinosaur.
From time to time another vehicle would pass us in the other direction, or a tractor would appear in front of us, scattering scales of mud from its dinosaurian rear wheels as it grumbled along the road at fifteen miles an hour.2009, Adam Roberts, Yellow Blue Tibia:
2
Alternative letter-case form of Dinosaurian.
dinosaurian
noun
Etymology From dinosaur + -ian, or Dinosauria + -an.
1
A dinosaur.
They were flapping their ears, moving their great stamp-like feet up and down, grinding their teeth, slobbering with their mouths, making borborygmic gurgles and rumbles in their dinosaurian-like bodies, or throwing up their trunks or their tails.1922 April, Cuthbert Christy, “The African Elephant, Part II”, in Journal of the African Society, volume XXI, number LXXXIII, Macmillan and co., page 194: