Definition of drillstock in English:

drillstock

Syllabification: drill·stock
Pronunciation: /ˈdrilˌstäk
 
/

noun

The part of a drilling tool or machine that holds the bit.
More example sentences
  • Between each drilling stage, however, when the drillstock of the rod-installing apparatus is disconnected from the rod to enable the addition of another section to the same, it is necessary to maintain the pressure in the tunnel by other means.

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Word of the day apposite
Pronunciation: ˈapəzit
adjective
apt in the circumstances or relation to something