noun / verb
ration
RASH-uhn/ˈræʃn/
A fixed allowance of supplies, or limiting their use or distribution to such allowances.
Each hiker receives a daily ration of food for the trip.

Etymology
Latin ratio meant a reckoning or calculation and came to mean a computed share of food. A ration is thus an amount calculated as someone’s fixed allowance.
In context
Here's a little bit about the marching ration. uh 1 lb of hard bread, 3/4s of a pound of salt pork or 1 and 1/4 lb of fresh meat
More examples
- The town rations water during the drought.
- The soldiers collect their daily rations before leaving camp.
- We rationed our remaining fuel to keep the generator running longer.
Forms
ration · rations · rationed · rationing