Assertion: hammerhead shark's hammer | /r/UsedFor | refer to cephalofoil
Facets:
Source sentences:
text: The word Sphyrna is a Greek word meaning "hammer", which refers to the "hammer" or "cephalofoil" on its head.
text: The word Sphyrna is a Greek word meaning "hammer", which refers to the "hammer" or "cephalofoil" on its head.