bitstock

from WordNet (r) 3.0 (2006)
bitstock
    n 1: a carpenter's tool having a crank handle for turning and a
         socket to hold a bit for boring [syn: {brace}, {bitstock}]
from The Collaborative International Dictionary of English v.0.48
Bitstock \Bit"stock`\, n.
   A stock or handle for holding and rotating a bit; a brace.
   [1913 Webster]
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