Bolt"er (?), n.
One who bolts; esp.: (a) A horse which starts suddenly aside. (b) A man who breaks away from his party.
© Webster 1913.
Bolt"er, n.
1.
One who sifts flour or meal.
2.
An instrument or machine for separating bran from flour, or the coarser part of meal from the finer; a sieve.
© Webster 1913.
Bolt"er, n.
A kind of fishing line. See Boulter.
© Webster 1913.