Search Result for "instroke": 
Wordnet 3.0

NOUN (1)

1. the stroke of an engine piston moving away from the crankshaft; 



The Collaborative International Dictionary of English v.0.48:

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.]


WordNet (r) 3.0 (2006):

instroke
    n 1: the stroke of an engine piston moving away from the
         crankshaft