grate /ˈgret/
 (v.)磨擦,磨損;激怒,使煩躁


 Grate, v. i.
 1. To make a harsh sound by friction.
 I had rather hear a brazen canstick turned,
 Or a dry wheel grate on the exletree.   --Shak.
 2. To produce the effect of rubbing with a hard rough material; to cause wearing, tearing, or bruising. Hence; To produce exasperation, soreness, or grief; to offend by oppression or importunity.
    This grated harder upon the hearts of men.   --South.

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 Grate, v. t. [imp. & p. p. Grated; p. pr. & vb. n. Grating.] To furnish with grates; to protect with a grating or crossbars; as, to grate a window.


 Grate, v. t.
 1. To rub roughly or harshly, as one body against another, causing a harsh sound; as, to grate the teeth; to produce (a harsh sound) by rubbing.
 On their hinges grate
 Harsh thunder.   --Milton.
 2. To reduce to small particles by rubbing with anything rough or indented; as, to grate a nutmeg.
 3. To fret; to irritate; to offend.
    News, my good lord Rome . . . grates me.   --Shak.


 Grate a.  Serving to gratify; agreeable. [Obs.]


 Grate, n.
 1. A structure or frame containing parallel or crosed bars, with interstices; a kind of latticework, such as is used ia the windows of prisons and cloisters. “A secret grate of iron bars.”
 2. A frame or bed, or kind of basket, of iron bars, for holding fuel while burning.
 Grate surface Steam, Boiler the area of the surface of the grate upon which the fuel lies in the furnace.


 grate
      n 1: a frame of iron bars to hold a fire [syn: grating]
      2: a harsh rasping sound made by scraping something
      3: a barrier that has parallel or crossed bars blocking a
         passage but admitting air [syn: grating]
      v 1: furnish with a grate; "a grated fireplace"
      2: gnaw into; make resentful or angry; "The unjustice rankled
         her"; "his resentment festered" [syn: eat into, fret,
         rankle]
      3: reduce to small shreds or pulverize by rubbing against a
         rough or sharp perforated surface; "grate carrots and
         onions"; "grate nutmeg"
      4: make a grating or grinding sound by rubbing together; "grate
         one's teeth in anger" [syn: grind]
      5: scratch repeatedly; "The cat scraped at the armchair" [syn:
         scrape]


 Grate
    a network of brass for the bottom of the great altar of
    sacrifice (Ex. 27:4; 35:16; 38:4, 5, 30).