Bolting

Bolt·ing

Bolting

n.
  1. A darting away; a starting off or aside.

Bolting

n.
  1. A sifting, as of flour or meal.
  2. A private arguing of cases for practice by students, as in the Inns of Court. (Law) [Obs.]

Phrases & Compounds
Bolting cloth
wire, hair, silk, or other sieve cloth of different degrees of fineness; -- used by millers for sifting flour.
Bolting hutch
a bin or tub for the bolted flour or meal