Defn: An order of sponges in which the skeleton consists of horny fibers. It includes all the commercial sponges.
CERAUNICS
Ce*rau"nics, n. Etym: [Gr.
Defn: That branch of physics which treats of heat and electricity. R.
Park.
CERAUNOSCOPE
Ce*rau"no*scope, n. Etym: [Gr. -scope.]
Defn: An instrument or apparatus employed in the ancient mysteries to imitate thunder and lightning. T. Moore.
CERBEREAN
Cer*be"re*an, a.
Defn: Of or pertaining to, or resembling, Cerberus. [Written also
Cerberian.]
With wide Cerberean mouth. Milton.
CERBERUS
Cer"be*rus, n. Etym: [L. Cerberus (in sense 1), gr.
1. (Class. Myth.)
Defn: A monster, in the shape, of a three-headed dog, guarding the entrance into the infernal regions, Hence: Any vigilant custodian or guardian, esp. if surly.