grit /ˈgrɪt/
 砂礫,粗砂石(vt.)覆以砂礫,摩擦(vi.)摩擦作聲


 Grit n.
 1. Sand or gravel; rough, hard particles.
 2. The coarse part of meal.
 3. pl. Grain, esp. oats or wheat, hulled and coarsely ground; in high milling, fragments of cracked wheat smaller than groats.
 4. Geol. A hard, coarse-grained siliceous sandstone; as, millstone grit; -- called also gritrock and gritstone.  The name is also applied to a finer sharp-grained sandstone; as, grindstone grit.
 5. Structure, as adapted to grind or sharpen; as, a hone of good grit.
 6. Firmness of mind; invincible spirit; unyielding courage; fortitude.


 Grit v. i. To give forth a grating sound, as sand under the feet; to grate; to grind.
    The sanded floor that grits beneath the tread.   --Goldsmith.


 Grit, v. t. [imp. & p. p. Gritted; p. pr. & vb. n. Gritting.] To grind; to rub harshly together; to grate; as, to grit the teeth. [Collog.]

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 grit
      n 1: a hard coarse-grained siliceous sandstone [syn: gritrock,
           gritstone]
      2: fortitude and determination; "he didn't have the guts to try
         it" [syn: backbone, guts, moxie, sand, gumption]
      v 1: cover with a grit; "grit roads"
      2: clench together; "grit one's teeth"
      [also: gritting, gritted]