Grit
Grit , noun
[OE, greet, greot, sand, gravel, Anglo-Saxon greót grit, sant, dust; akin to OS griott, OFries. gret gravel, Old High German grioz, German griess, Icelandic grjōt, and to English groats, grout. See Groats, Grout, and compare Grail gravel.]
1.
Sand or gravel; rough, hard particles.
2.
The coarse part of meal.
3.
Grain, esp. oats or wheat, hulled and coarsely ground; in high milling, fragments of cracked wheat smaller than groats.
4.
(Geology) 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. — C. Reade
Grit (grit) , intransitive verb
To give forth a grating sound, as sand under the feet; to grate; to grind.
The sanded floor that grits beneath the tread.
Grit , transitive verb
To grind; to rub harshly together; to grate; as, to grit the teeth. [Collog.]