[grist] n [ME, fr. OE grist; akin to OE grindan to grind] (bef. 12c) 1 a: grain or a batch of grain for grinding b: the product obtained from a grist of grain including the flour or meal and the grain offals
2: a required or usual amount
3: matter of interest or value forming the basis of a story or analysis
4: something turned to advantage or use--used esp. in the phrase grist for one's mill