Undulating tracery | Article about undulating tracery by The Free Dictionary
flowing tracery, curvilinear tracery, undulating tracery
flowing tracery: Little St. Mary's, Cambridge (c. 1350)
Tracery in which continuous curvilinear patterns (largely ogees) dominate. A characteristic feature of the Decorated and Flamboyant styles.
References in periodicals archive
on the little arches, and the corbels and valances in the living room add grace to the space.