Four-way

1 definition found

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

  Four-way \Four"-way`\, a.
     Allowing passage in either of four directions; as, a four-way
     cock, or valve. --Francis.
     [1913 Webster]
  
     {Four-way cock}, a cock connected with four pipes or ports,


        and having two or more passages in the plug, by which the
        adjacent pipes or ports may be made to communicate;
        formerly used as a valve in the steam engine, and now for
        various other purposes. In the illustration, a leads to
        the upper end of a steam engine cylinder, and b to the
        lower end; c is the steam pipe, and d the exhaust pipe.
        [1913 Webster]