finial Meaning, Definition & Usage

  1. noun an ornament at the top of a spire or gable; usually a foliated fleur-de-lis

WordNet

Fin"*i*al noun
Etymology
L. finire to finish, end. See Finish.
Definitions
  1. (Arch.) The knot or bunch of foliage, or foliated ornament, that forms the upper extremity of a pinnacle in Gothic architecture; sometimes, the pinnacle itself.

Webster 1913