Bolthead

( Chem.) A globular flask with a tubular neck, used in the laboratory for boiling and subliming. Bolting, π. Act of fastening with a bolt or bolts; blurting out; starting forth suddenly; sifting or separating bran from flour. (Law.) Discu ion of legal cases in private. Bolt'ing-cloth, n. A cloth of which bolters are made. Bolt'ing-house, n. The place where flour, meal, . are bolted or sifted. "The jade returned as white, and as powdered, as if she had been at work in a bolting -house." - Dennis.