The arches are cusped like the windows, but are stilted and segmental.
I agree that the cusped arch is not meant to imitate a leaf.
The cusped arch, too, was it actually not intended to imitate vegetation?
The tympana of the choir triforium arches are filled with plate tracery, quatrefoil and cusped.
It contains three pointed and cusped lancets on each side, and is without buttresses.
The molars of the upper jaw are quadricuspidate, of the lower jaw five cusped.
The gables are built with circular bricks, and there is a cusped circular window in each gable.
The second stage is more important, and has cusped ogee window-heads and balconies.
The fretted escutcheons and cusped handles (unfortunately not quite uniform) are exceptionally good.
The base of this monument is divided into six panels, in each of which is a figure beneath a cusped and crocketed arch.