"grindings" in the noun sense
1. grinding
material resulting from the process of grinding
"vegetable grindings clogged the drain"
2. grinding
a harsh and strident sound (as of the grinding of gears)
3. grinding, abrasion, attrition, detrition
the wearing down of rock particles by friction due to water or wind or ice
Source: WordNet® (An amazing lexical database of English)
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