C[ae]sarian

from The Collaborative International Dictionary of English v.0.48

Caesarean \C[ae]*sa"re*an\, Caesarian \C[ae]*sa"ri*an\
   (s[-e]*z[=a]"r[i^]*an), a. [L. Caesareus, Caesarianus.]
   Of or pertaining to C[ae]sar or the C[ae]sars; imperial.
   [1913 Webster]