Simple past tense and past participle of jetty.(verb)
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Use "jettied" in a sentence
"One of them has a window jettied out over the street."
"A number of questions crowded to Gregory's mind, as they crossed the jettied inlet and headed down the coast."
"Narrowly averting collision with unlighted harbor-boats, bumping at times over sandy shoals, plowing through grass-grown mud-flats and skirting dangerous reefs with only the smallest margin of safety, they came at last to the jettied outlet of"