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]