A crowning or terminating ornament placed at the top of an architectural or sculptural composition.
A crowning or terminating ornament placed at the top of an architectural or sculptural composition. An amortissement may be a ball, vase, finial, figure, floral ornament, or other sculpted element used to complete a column, pier, façade, buttress, pediment, or balustrade.
References
https://www.pierres-info.fr/glossaire_sculpture/index.html