The Collaborative International Dictionary
Hollow-horned
Hollow-horned \Hol"low-horned`\, a. (Zo["o]l.) Having permanent horns with a bony core, as cattle.
Usage examples of "hollow-horned".
North America, on the other hand, is characterized (putting on one side a few wandering species) by numerous peculiar gnawers, and by four genera (the ox, sheep, goat, and antelope) of hollow-horned ruminants, of which great division South America is not known to possess a single species.