curvilinear tracery

American  

noun

Architecture.

1. tracery, especially of the 14th and 15th centuries, characterized by a pattern of irregular, boldly curved forms.

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Example Sentences

The middle windows to the north and south are of very curious half geometrical, half curvilinear tracery.

From The Cathedral Church of York Bell's Cathedrals: A Description of Its Fabric and A Brief History of the Archi-Episcopal See by Clutton-Brock, A. (Arthur)

In each bay of the Triforium there are three arches with curvilinear tracery.

From Bell's Cathedrals: The Cathedral Church of Carlisle A Description of Its Fabric and A Brief History of the Episcopal See by Eley, C. King