Noun ounce has 3 senses
- ounce, troy ounce, apothecaries' ounce - a unit of apothecary weight equal to 480 grains or one twelfth of a pound
--1 is a kind of apothecaries' unit, apothecaries' weight; troy unit
--1 is a part of troy pound, apothecaries' pound
--1 has parts: pennyweight; dram, drachm, drachma
- ounce, oz. - a unit of weight equal to one sixteenth of a pound or 16 drams or 28.349 grams
--2 is a kind of avoirdupois unit
--2 is a part of pound, lb
--2 has parts: dram
- snow leopard, ounce, Panthera uncia - large feline of upland central Asia having long thick whitish fur
--3 is a kind of big cat, cat
--3 is a member of Panthera, genus Panthera
,