A crook, hook, or curved stick, especially one used for herding cattle or as a walking stick.
From Scottish and Northern English dialect, possibly related to 'croak' or 'crank,' referring to something bent or hooked; used historically as a shepherd's or drover's tool.
Crumock appears in Scottish place names and historical documents about farming—it's one of those regional dialect words that survived in geography even after disappearing from everyday speech.
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