[1] : The Collaborative International Dictionary of English v.0.48

tailstock \tail"stock`\, n.
   the sliding block or support, in a lathe, which carries the
   dead spindle, or adjustable center. the headstock supports
   the live spindle.
   1913 webster
see also:
headstock 

[2] : WordNet (r) 2.0

tailstock
     n : support consisting of the movable part of a lathe that
         slides along the bed in alignment with the headstock and
         is locked into position to support the free end of the
         workpiece

Tailstock >> T Words
Tailstock, definition of term: Tailstock
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