rowel /rowˈəl/

1. A small, spiked wheel on a spur
2. The rowel-head
3. A knob, ring or disc on a horse's bit
4. A disc used as a seton for animals

1. To prick (a horse) with the rowel
2. To treat (an animal) with a rowel

rowˈel-head noun

The axis of a rowel

rowˈel-spur noun

A spur with a rowel

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