The Collaborative International Dictionary
Rhyncholite
Rhyncholite \Rhyn"cho*lite\, n. [Gr. "ry`gchos snout, beak + -lie: cf. F. rhyncholithe.] (Paleon.) A fossil cephalopod beak.
Wiktionary
rhyncholite
n. (context paleontology English) A fossil cephalopod beak.