suction-cutter dredger

suction-cutter dredger

[′sək·shən ¦kəd·ər ‚drej·ər]
(mechanical engineering)
A dredger in which rotary blades dislodge the material to be excavated, which is then removed by suction as in a sand-pump dredger.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
References in periodicals archive ?
It said the Philippines used construction equipment depositing sand shipped in from elsewhere, while China used suction-cutter dredgers to grind up the reef surface and build outposts with the resulting sediment.