Instroke

2 definitions found

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

  Instroke \In"stroke`\, n.
     An inward stroke; specif., in a steam or other engine, a
     stroke in which the piston is moving away from the crank
     shaft; -- opposed to {outstroke}.
     [Webster 1913 Suppl.]



From WordNet (r) 2.0 [wn]:

  instroke
       n : the stroke of an engine piston moving away from the
           crankshaft