When you grate something you rip it to shreds, like a pound of solid cheese that you shred for a recipe.
Serving to gratify; agreeable.
Noun
 a frame of iron bars to hold a fire
Noun
 a barrier that has parallel or crossed bars blocking a passage but admitting air
Noun
 a harsh rasping sound made by scraping something
Verb
 scratch repeatedly; "The cat scraped at the armchair"
Verb
 make a grating or grinding sound by rubbing together; "grate one''s teeth in anger"
Verb
 reduce to small shreds or pulverize by rubbing against a rough or sharp perforated surface; "grate carrots and onions"; "grate nutmeg"
Verb
 gnaw into; make resentful or angry; "The unjustice rankled her"; "his resentment festered"
Verb
 furnish with a grate; "a grated fireplace"
a.
 Serving to gratify; agreeable.
n.
 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.
n.
 A frame or bed, or kind of basket, of iron bars, for holding
   fuel while burning.
v. t.
 To furnish with grates; to protect with a grating or
   crossbars; as, to grate a window.
v. t.
 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.
v. t.
 To reduce to small particles by rubbing with anything
   rough or indented; as, to grate a nutmeg.
v. t.
 To fret; to irritate; to offend.
v. i.
 To make a harsh sound by friction.
v. i.
 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.
Grate
Grate
Grate
Grate
On their hinges grate Harsh thunder.2.
News, my good lord Rome . . . grates me.
Grate
I had rather hear a brazen canstick turned, Or a dry wheel grate on the exletree.2.
This grated harder upon the hearts of men.
Serving to gratify; agreeable.
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.
To furnish with grates; to protect with a grating or crossbars; 
To rub roughly or harshly, as one body against another, causing a harsh sound; 
To make a harsh sound by friction.
Usage Examples
Grate, Grate, rate, Grate, Gerate, G4rate, G5rate, Gtrate, Gfrate, Geate, G4ate, G5ate, Gtate, Gfate, Greate, Gr4ate, Gr5ate, Grtate, Grfate, Grqate, Grwate, Grsate, Grzate, Grqte, Grwte, Grste, Grzte, Graqte, Grawte, Graste, Grazte, Grarte, Gra5te, Gra6te, Grayte, Gragte, Grare, Gra5e, Gra6e, Graye, Grage, Gratre, Grat5e, Grat6e, Gratye, Gratge, Gratwe, Grat3e, Grat4e, Gratre, Gratse, Gratde, Gratw, Grat3, Grat4, Gratr, Grats, Gratd, Gratew, Grate3, Grate4, Grater, Grates, Grated.