Having little crossings or openings like the sashes of a window.(adjective)
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Use "windowy" in a sentence
"The fact that there is so much to learn has, in a way, re-awakened my zest for IT, after many, looooonng years using certain other .... let's just say 'windowy' Operating Systems"
"Not long after moving in our then 14 yr old was sitting at her computer in our windowy sun room, and a big fat raccoon put his big nose right up to her window and stared in."
"Trollope had his fling at the square brick buildings; but it was a fling that they richly deserved, for they are in very deed as ugly as it is possible to conceive, -- angular, formal, stiff, windowy, bricky, -- and the farther in you go, the worse it grows."