Definify.com
Webster 1913 Edition
Reptilian
Rep-til′i-an
(-an)
, Adj.
Belonging to the reptiles.
Reptilian age
(Geol.)
, that part of geological time comprising the Triassic, Jurassic, and Cretaceous periods, and distinguished as that era in which the class of reptiles attained its highest expansion; – called also the
Secondary
or Mezozoic
age.Rep-til′i-an
,Noun.
(Zool.)
One of the Reptilia; a reptile.