\Bu"fon*ite\, n. [L. bufo toad: cf. F. bufonite.]
(Paleon.)
An old name for a fossil consisting of the petrified teeth
and palatal bones of fishes belonging to the family of
Pycnodonts (thick teeth), whose remains occur in the
o["o]lite and chalk formations; toadstone; -- so named from a
notion that it was originally formed in the head of a toad.