curvilinear tracery

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 ?
It has an interesting history and architecturally it is a gem, possessing two windows of 14th century curvilinear tracery, which must rank amongst the finest in England.