An avoirdupois ounce, weighing ¹⁄₁₆ of an avoirdupois pound, or 28.3495 grams. / A troy ounce, weighing ¹⁄₁₂ of a troy pound, or 480 grains, or 31.1035 grams.

(now archaic) A large wild feline, such as a lynx or cougar. / Now specifically, the snow leopard, Panthera uncia.

plural of ounce

A former unit of mass equal to 31.1035 grams, 480 troy grains, or one twelfth of a troy pound.

plural of fluid ounce

Any of various units of volume used for liquid measure, all approximately 1.73–1.83 cubic inches or 28.4–30 milliliters.

plural of avoirdupois ounce

A unit of weight in the avoirdupois system of units, equal to one sixteenth of a avoirdupois pound.

plural of troy ounce

plural of metric ounce