I. |epə̇, |epē+ adjective
Etymology: epi- + pterygoid
: situated above or upon the pterygoid : relating to or being a slender bone in the skull of most lizards and some other reptiles that extends between the pterygoid and the parietal or anterior end of the pro-otic
II. noun
( -s )
: the epipterygoid bone — called also columella cranii