tomium

{{Short description|Sharp cutting edge of a bird's beak or turtle's bill}}

In anatomy, the tomium is the sharp cutting edge of the beak{{Cite book|last=Luescher|first=Andrew|url=https://books.google.com/books?id=GmRPyX1a9hMC&dq=Tomium+beak&pg=PA252|title=Manual of Parrot Behavior|date=2008-01-09|publisher=John Wiley & Sons|isbn=978-0-470-34435-4|language=en}}{{Cite book|url=https://books.google.com/books?id=2REgAQAAMAAJ&q=Tomium+beak|title=Research & Exploration: A Scholarly Publication of the National Geographic Society|date=1993|publisher=National Geographic Society|language=en}} of a bird{{Cite book|url=https://books.google.com/books?id=dcNi9x50LHMC&dq=Tomium+beak&pg=PA17|title=Agriculture Handbook|date=1972|publisher=U.S. Department of Agriculture|language=en}} or the bill of a turtle.{{Cite book|last=Carr|first=Archie|url=https://books.google.com/books?id=aC5zDwAAQBAJ&dq=tomium+beak+snapping+turtle&pg=PA36|title=Handbook of Turtles: The Turtles of the United States, Canada, and Baja California|date=2018-10-18|publisher=Cornell University Press|isbn=978-1-5017-2247-9|language=en}}{{Cite book|last=Savage|first=Jay M.|url=https://books.google.com/books?id=HDNQ2bba3QcC&dq=tomium+snapping+turtle&pg=PA742|title=The Amphibians and Reptiles of Costa Rica: A Herpetofauna Between Two Continents, Between Two Seas|date=2002|publisher=University of Chicago Press|isbn=978-0-226-73537-5|language=en}} Sometimes the edge is serrated for tearing through flesh or vegetation.{{Cite book|last1=Long|first1=John A.|url=https://books.google.com/books?id=NIYC8eHAyq8C&dq=Tomium+beak&pg=PA63|title=Feathered Dinosaurs: The Origin of Birds|last2=Schouten|first2=Peter|date=2008|publisher=Oxford University Press|isbn=978-0-19-537266-3|language=en}}{{Cite book|last=Luescher|first=Andrew|url=https://books.google.com/books?id=GmRPyX1a9hMC&dq=Tomium+beak&pg=PA252|title=Manual of Parrot Behavior|date=2008-01-09|publisher=John Wiley & Sons|isbn=978-0-470-34435-4|language=en}}