Wiktionary
midsized
a. Of medium size, not particularly large or small
Usage examples of "midsized".
Amelia rested in bed, still sick and chronically weak, Veil flew across space in a midsized craft with Chev and Magen aboard.
There were machine parts, things that looked like the hoods of generic midsized cars, lampstand bases, twigs and fronds.
Roraqk called for a driver and guard as he headed toward a midsized vehicle already poised near the doors.
From their separate space navies, each League World dispatched ships large and small: lumbering battleships, midsized cruisers, destroyers, escort ships, hundreds of large and small shuttles, thousands of kindjals and patrol craft.