We don't have synonyms for acroterium yet — it may be a rare, specialized, newly coined, or misspelled word. The closest thesaurus entries we have are acroterion, acroterial and acroteria.
(n) :
(architecture) One of the small pedestals, for statues or other ornaments, placed on the apex and at the basal angles of a pediment, or upon the gables in Gothic architecture.
(n) :
One of the pedestals, for vases or statues, forming a part roof balustrade.
(n) :
(architecture) One of the small pedestals, for statues or other ornaments, placed on the apex and at the basal angles of a pediment, or upon the gables in Gothic architecture.
(n) :
One of the pedestals, for vases or statues, forming a part roof balustrade.