gritting

grit  (grt)

n.

1. Minute rough granules, as of sand or stone.

2. The texture or fineness of sand or stone used in grinding.

3. A coarse hard sandstone used for making grindstones and millstones.

4. Informal Indomitable spirit; pluck.

v. grit·ted, grit·ting, grits

v.tr.

1. To clamp (the teeth) together.

2. To cover or treat with grit.

v.intr.

To make a grinding noise.

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[Middle English gret, sand, from Old English grot.]

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gritting [ˈgrɪtɪŋ]

n

Brit

a.  the spreading of grit on road surfaces to render them less slippery for vehicles during icy weather

b.  (as modifier) gritting lorries