A handle used to secure and turn a drilling or boring bit; a brace.(noun)
American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Use "bitstock" in a sentence
"This can be seen in figure 39 in a transitional-type bitstock (accession 319556) from the Low Countries."
"In a like manner, the 18th-century bitstock of Flemish origin (fig. 46), the English cabinetmaker's bevel of the same century (fig. 47), and the compass saw (accession 61.52, fig. 48) capture in their basic design something beyond the functional extension of the craftsman's hand."
"From these plates can be seen the progression of the bitstock toward its ultimate perfection in the late 19th century."