Sentence:  Lakeside water-filtration plants, an 11,000-acre <WSD>diked</WSD> airport east of 55th Street, slash-and-bulldoze highway projects through Jackson and Lincoln parks—these and many another grandiose project leapt from the sketchbooks of city planners. 
Meaning of the word marked with <WSD> tags:  (US) (nodot=a): to dig a ditch; to raise an earthwork; etc.