• noun:   the food allowance for one day (especially for service personnel)

  Example: "The rations should be nutritionally balanced"

• noun:   a fixed portion that is allotted (especially in times of scarcity)
• verb:   distribute in rations, as in the army

  Example: "Cigarettes are rationed"

• verb:   restrict the consumption of a relatively scarce commodity, as during war

  Example: "Bread was rationed during the siege of the city"

Related words...