Grinding dream meaning is explained below using 3 different sources. Each interpretation is shown with its source.
Interpretation 1 — Zolar
lucky numbers: 09-12-14-37-38-45
coffee: troubles at home.
colored stones: derive great pleasure from simple things.
corn: good fortune.
grain: rectify your habits or irritated people wil reject you.
machine, of a: wil speculate wildly and lose your estate.
materials for dyeing: discord within the family.
pepper: a worrying piece of news of sickness and sorrow.
Source: Zolar’s Book of Dreams Numbers and Lucky Days • Author: Zolar
Interpretation 2 — Internet Archive - Anonymous
(Corn) good fortune; (coffee), trouble at home; (pepper), sickness and sorrow.
Source: Mystic Dream Book • Author: Internet Archive - Anonymous
Interpretation 3 — Ibn Seerin
(See Extracting oils from seeds, Hand mill, Mill, Miller)
Source: Islamic Dream Interpretation • Author: Ibn Seerin