Buttress: Exterior support, usually ofmasonry, projectingfrom the face of a wall and serving tostrengthen it orresistoutward thrustfroman arch or roof.
From the chesty thrust of its rusticated facade, to the outward curve of the pediment, to an entablature of three blind square windows crowned by six Corinthian columns (repeated inside) and capped with a pair of squat balustraded turrets, the exterior manifests Hawksmoor's unorthodox interpretation of the classical tradition.