Bolting cloth, wire, hair, silk, or other sieve cloth of different degrees of fineness; -- used by millers for sifting flour. McElrath. -- Bolting hutch, a bin or tub for the bolted flour or meal; (fig.) a receptacle.
A sifting, as of flour or meal. [1913 Webster]
A private arguing of cases for practice by students, as in the Inns of Court. [1913 Webster]