资料来源 : pyDict

砂砾,粗砂石覆以砂砾,摩擦摩擦作声

资料来源 : Webster's Revised Unabridged Dictionary (1913)

Grit \Grit\, n. [OE, greet, greot, sand, gravel, AS. gre['o]t
   grit, sant, dust; akin to OS griott, OFries. gret gravel,
   OHG. grioz, G. griess, Icel. grj[=o]t, and to E. groats,
   grout. See {Groats}, {Grout}, and cf. {Grail} gravel.]
   1. Sand or gravel; rough, hard particles.

   2. The coarse part of meal.

Grit \Grit\ (gr[i^]t), 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 \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.]

资料来源 : WordNet®

grit
     v 1: cover with a grit; "grit roads"
     2: clench together; "grit one's teeth"
     [also: {gritting}, {gritted}]

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}]
     [also: {gritting}, {gritted}]