gablet

plural gablets

1. architectureA small gable, or gable-shaped canopy, formed over a tabernacle, niche, etc.

   Almost opposite Clarence House, and immediately adjoining the Swan Hotel, is a lofty and somewhat narrow structure of four storeys, whose twin gablets overhang and overbend the street in quite a serious manner.

   1914, Francis B. Andrews, “The Old Houses of Tewkesbury”, in Transactions and Proceedings of the Birmingham Archaeological Society, volume 40, page 24

   1 more example

   The Pinnacles are numerous, and very fine. They are in general square, and not on diagonally; the sides are frequently panelled, and terminate in crocketed canopies, or gablets, from which rises the spire, which is also crocketed at the angles, and terminates in a finial.

   1865, John Cassell, Cassell's Illustrated History of England, volume I, chapter 68