Acroterion or acroterium
In classical architecture, a figure or ornament usually at the apex of the pediment. "Acroterion" is the Greek spelling. "Acroterium" is the Latin spelling.(pr. AK-'ro-TEE-ri-əm)Examples: Greek, Apollo of Veii, an acterion sculpture from the Temple of Apollo, Veii, c. 510 BCE, terra cotta. See Apollo.Also see antefix.