| holocephali | <zoology> An order of elasmobranch fishes, including, among living species, only the chimaeras. Synonym: Holocephala. See Chimaera; also Illustration in Appendix. Origin: NL, from Gr. "olos whole + head. Source: Websters Dictionary (01 Mar 1998) |
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| holocephalic | Denoting a foetus with a complete head but having deficiencies in other body parts. Origin: holo-+ G. Kephale, head (05 Mar 2000) |