ounce

/aʊns/

/aʊns/

Other forms: ounces

Definitions of ounce

1. noun

   a unit of weight equal to one sixteenth of a pound or 16 drams or 28.349 grams
   synonyms: oz.

   type of:

   avoirdupois unit

   any of the units of the avoirdupois system of weights
2. noun

   a unit of apothecary weight equal to 480 grains or one twelfth of a pound
   synonyms: apothecaries' ounce, troy ounce

   type of:

   troy unit

   any of the unit of the troy system of weights

   apothecaries' unit, apothecaries' weight

   any weight unit used in pharmacy; an ounce is equal to 480 grains and a pound is equal to 12 ounces
3. noun

   large feline of upland central Asia having long thick whitish fur
   synonyms: Panthera uncia, snow leopard

   type of:

   big cat, cat

   any of several large cats typically able to roar and living in the wild