Definition of microsaurian in English:
microsaurian
adjective
Designating or belonging to the order Microsauria of fossil amphibians; of or relating to microsaurs.
Origin
Late 19th century; earliest use found in American Naturalist. From scientific Latin Microsauria, order name + -ian.
Pronunciation
microsaurian
/ˌmʌɪkrəˈsɔːrɪən/