1) Ancient Roman religious title 
In ancient Roman religion, the bidentales were priests who performed rituals to mark out a place that had been struck by lightning as a sacred precinct (templum). Their primary role was to sacrifice a two-year-old sheep, in Latin bidens, meaning `having teeth (dentes) on each side.` Such a place was thus called a bidental. It was not permitted t.....
• (a.) Having two teeth.
Bi·den'tal adjective Having two teeth. Swift.