Amy Brady, Scientific American, 20 June 2023 Chuan Hong 68 was built in 2014, and is described as a grab dredger, or a ship that uses a large claw to remove items from the ocean floor.

2021 First came the dredgers, the scientists who dragged giant shovels behind sailing ships and picked through the biological rubble. Vivian Yee New York Times, Star Tribune, 27 Mar. Kyle Mizokami, Popular Mechanics, 9 June 2023 Several dredgers, including a specialized suction dredger that can extract 2,000 cubic meters of material per hour, were digging around the vessel's bow, which is wedged into the canal's eastern bank. William Booth, Washington Post, 24 July 2023 But recently, Beijing laid claim to 90 percent of the 1.3 million square-mile sea, and has used dredgers to expand dozens of islets and shoals, fortifying them with anti-ship and anti-air missiles, and military-grade airfields. Noun All this was happening in the narrow confines of navigable waterways busy with commercial traffic, as container ships, sand dredgers, tug boats and ferries made their way through the race.

Dredge definitions