'Bitstock' definitions:

Definition of 'bitstock'

(from WordNet)
noun
A carpenter's tool having a crank handle for turning and a socket to hold a bit for boring [syn: brace, bitstock]

Definition of 'Bitstock'

From: GCIDE
  • Bitstock \Bit"stock`\, n. A stock or handle for holding and rotating a bit; a brace. [1913 Webster]