Rit
Rit [1]
(1): ( n.) The coarse part of meal.
(2): ( n.) Sand or gravel; rough, hard particles.
(3): ( n.) Grain, esp. oats or wheat, hulled and coarsely ground; in high milling, fragments of cracked wheat smaller than groats.
(4): ( n.) 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): ( n.) Structure, as adapted to grind or sharpen; as, a hone of good grit.
(6): ( n.) Firmness of mind; invincible spirit; unyielding courage; fortitude.
(7): ( v. i.) To give forth a grating sound, as sand under the feet; to grate; to grind.
(8): ( v. t.) To grind; to rub harshly together; to grate; as, to grit the teeth.