
• (n. pl.) A group of ruminants whose horns are hollow, and planted on a bony process of the front, as the ox.
Found on
http://thinkexist.com/dictionary/meaning/cavicornia/
Cav`i·cor'ni·a (kăv`ĭ*kôr'nĭ*ȧ)
noun plural [ New Latin ]
(Zoology) A group of ruminants whose horns are hollow, and planted on a bony process of the front, as the ox.
Found on
http://www.encyclo.co.uk/webster/C/40

The Cavicornia (or Cavicorns) are a family of ruminates characterised by persistent horns, (thus differing from the deer) consisting of a bony core and a horny sheaf covering the bone. They comprise the antelopes, goat and ox.
Found on
http://www.probertencyclopaedia.com/browse/BC.HTM
No exact match found.