bolter

(bōltər)

noun

  1. a horse that bolts, or runs away
  2. ☆ a person who withdraws from a political party, group, etc.

noun

a device for bolting, or sifting, flour, etc.

See bolter in American Heritage Dictionary 4

noun
  1. A horse given to bolting.
  2. One who gives up membership in or withdraws support from a political party.

noun
  1. A machine used for sifting, especially for sifting flour.
  2. One who operates a sifting machine.

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