gristbite

== English == === Alternative forms === grizbite, grisbite, grisbet === Etymology === From Middle English grisbaten, from Old English gristbitian. Equivalent to grist (“to grind”) +‎ bite. === Verb === gristbite (third-person singular simple present gristbites, present participle gristbiting, simple past gristbit, past participle gristbitten or gristbit) (archaic, dialect) To gnash one's teeth.