Classical order of architecture (5)
(Other definitions for ionic that I've seen before include "Order for architects" , "Relating to charged particles" , "ancient order" , "Greek tongue" , "not capped" .)
(Other definitions for doric that I've seen before include "In a classical Greek style of architecture" , "Greek architectural style" , "Greek architectural order" , "One of the Greek orders of architecture" , "A classical style of architecture with fluted columns" .)