The professor says the body design of the creature made it a kind of jaw on legs.

VOA: special.2009.10.13

After a few weeks, doctors made Cleveland a new jaw out of hard rubber.

VOA: special.2010.06.24

Doctors removed some of President Cleveland's teeth and much of his upper left jaw.

VOA: special.2010.06.24

But his eyes were bright and his jaw firm.

VOA: special.2009.03.26