ration
noun
1 I'm a firm believer in a daily ration of chocolate:
allowance, allocation, quota, fixed amount, amount, quantity, share, portion, helping, allotment, measure, part, lot, proportion, percentage;
rare apportionment, quantum, moiety.
2 (rations) the garrison had run out of rations:
supplies, provisions, food, food and drink, foodstuffs, eatables, edibles;
necessaries, necessities, stores;
Scottish vivers;
informal grub, eats;
North American, informal chuck;
archaic victuals, vittles, viands, meat, commons;
rare comestibles, provender, aliment, viaticum.
ration Oxford Dictionary of English