(n.) The knot or bunch of foliage, or foliated ornament, that forms the upper extremity of a pinnacle in Gothic architecture; sometimes, the pinnacle itself.
Example Sentences:
(1) Finially, on the basis of the natural history of the disease, a "second-look" operation is recommended.
(2) 50 nm across and 90 nm long, consists of a stack of two disks and a ball, similar in shape to a finial.