The Collaborative International Dictionary of English v.0.48:

Midway \Mid"way`\, n.
   The middle of the way or distance; a middle way or course.
   --Shak.
   [1913 Webster]

         Paths indirect, or in the midway faint.  --Milton.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Midway \Mid"way`\, a.
   Being in the middle of the way or distance; as, the midway
   air. --Shak.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Midway \Mid"way`\, adv.
   In the middle of the way or distance; half way. "She met his
   glance midway." --Dryden.
   [1913 Webster]

WordNet (r) 3.0 (2006):

midway
    adv 1: at half the distance; at the middle; "he was halfway down
           the ladder when he fell" [syn: halfway, midway]
    adj 1: equally distant from the extremes [syn: center(a),
           halfway, middle(a), midway]
    n 1: the place at a fair or carnival where sideshows and similar
         amusements are located
    2: naval battle of World War II (June 1942); American planes
       based on land and on carriers decisively defeated a Japanese
       fleet on its way to invade the Midway Islands [syn: Midway,
       Battle of Midway]