The Collaborative International Dictionary
Ceraceous
Ceraceous \Ce*ra"ceous\, a. [L. cera wax.] Having the texture and color of new wax; like wax; waxy.
Douglas Harper's Etymology Dictionary
ceraceous
"waxy," 1738, from Latin cera "wax" (see cere (n.)) + -aceous.
Wiktionary
ceraceous
a. waxy