fin·i·al 
(fĭnē-əl)
(fĭnē-əl)n.
1. Architecture A sculptured ornament, often in the shape of a leaf or flower, at the top of a gable, pinnacle, or similar structure.
2. An ornamental terminating part, as on a post or piece of furniture.
[Middle English, last, finial, variant of final; see FINAL.]