Meaning of GRIT in English

GRIT

[grit] n [ME grete, fr. OE greot; akin to OHG grioz sand] (bef. 12c) 1 a: sand, gravel b: a hard sharp granule (as of sand); also: material (as many abrasives) composed of such granules

2: any of several sandstones 3 a: the structure of a stone that adapts it to grinding b: the size of abrasive particles usu. expressed as their mesh

4: firmness of mind or spirit: unyielding courage in the face of hardship or danger

5. cap: a Liberal in Canadian politics

[2]grit vb grit.ted ; grit.ting vi (1762): to give forth a grating sound ~ vt 1: to cause (as one's teeth) to grind or grate

2: to cover or spread with grit; esp: to smooth (as marble) with a coarse abrasive

Merriam-Webster English vocab.      Английский словарь Merriam Webster.