subfreezing

Adjective

 * 1) Colder than the freezing point of water; below 0 degrees C or 32 degrees F.
 * 2) * 1959, Steam's Finest Hour, edited by David P. Morgan, Kalmbach Publishing Co., page 20 (photo caption):
 * "en"
 * "en"

- A subfreezing December 1955 wind blows whistle steam past cab as J-5a 5439 with the Queen City yells for a Dayton (O.) crossing.