Noun

• S: (n) midway (the place at a fair or carnival where sideshows and similar amusements are located)
• S: (n) Midway, Battle of Midway (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)

Adjective

• S: (adj) center, halfway, middle, midway (equally distant from the extremes)

Adverb

• S: (adv) halfway, midway (at half the distance; at the middle) "he was halfway down the ladder when he fell"