- an emergency field ration for U.S. armed forces when other food or rations are not available, consisting of three separate packaged meals of concentrated or dehydrated food.
Compare C ration.
Origin of K ration
1940–45; K for Ancel Keys (born 1904), American physiologist
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
- a small package containing emergency rations used by US and Allied forces in the field in World War II
C20: K, from the initial of the surname of Ancel Keys (1904–2004), US physiologist who instigated it