BU'FONITE, noun [Latin bufo, a toad.] Toadstone, or fossil-teeth of the anarrhicas or sea-wolf, formerly much esteemed for its imaginary virtues and worn in rings. It was named from an opinion that it was found in the head of a toad.
Source: Webster's 1828 American Dictionary ↗ · public-domain · returned verbatim, no AI