Artificial intelligent assistant

rose-window

ˈrose-ˌwindow Eccl. Arch.
  [f. rose n. + window n.]
  A circular window, esp. one divided into compartments by mullions radiating from a centre, or filled with tracery suggestive of the form of a rose; a Catherine or marigold window.

1773 Noorthouck New Hist. London 610 Those in the second stage are of the kind called rose windows. 1820 D. Turner Tour Normandy I. 178 These large circular windows, sometimes known by the name of rose windows. 1849 Freeman Archit. 373 Some of the aisle windows at Oppenheim are little more than rose windows. a 1878 Sir G. Scott Lect. Archit. (1879) II. 218 The general idea..may be said to be parallel to that of a circular or rose window.

Oxford English Dictionary

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