ounce

A unit of weight in the US Customary System, an avoirdupois unit equal to 437.5 grains (28.35 grams).

A unit of apothecary weight, equal to 480 grains (31.103 grams).

A fluid ounce.

A tiny bit.

A gold coin of Australia struck in 1853.

A weight, the twelfth part of a pound troy, and the sixteenth of a pound avoirdupois.

A small quantity.

In California, in the earlier years of the gold excitement, a Spanish double doubloon, or about sixteen dollars; the old doubloon onza of Spain.