Dredge



GRE

解释

GRE 红宝书

• n. 疏通
• ［英］ n. 疏通 ( to enlarge, deepen or clean out a river, channel, harbor)
• ［记］ 注意不要和drudge ( 做苦事) 相混;联想: 挖泥疏通 ( 河道) 是苦事 ( to dredge is to drudge)
• ［同］ 派生词: dredger ( n. 疏通机)

Webster Collegiate

I. verb (dredged; dredging)

• Date: 1508
• transitive verb
  • 1.
    • a. to dig, gather, or pull out with or as if with a dredge — often used with up
    • b. to deepen (as a waterway) with a dredging machine
  • 2. to bring to light by deep searching — often used with up<dredging up memories>
• intransitive verb
  • 1. to use a dredge
  • 2. to search deeply
• ? dredger noun

II. noun

• Etymology: perhaps from Old English *drecge; akin to Old English dr?ge dragnet, dragan to draw
• Date: 1602
• 1. an apparatus usually in the form of an oblong iron frame with an attached bag net used especially for gathering fish and shellfish
• 2. a machine for removing earth usually by buckets on an endless chain or a suction tube
• 3. a barge used in dredging

III. transitive verb (dredged; dredging)

• Etymology: obsolete dredge, noun, sweetmeat, from Middle English drage, drege, from Anglo-French dragee, modification of Latin tragemata sweetmeats, from Greek tragēmata, plural of tragēma sweetmeat, from trōgein to gnaw
• Date: 1596
• to coat (food) by sprinkling (as with flour)
• ? dredger noun

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