Main Entry: ounce

Pronunciation: \ˈau̇n(t)s\

Function: noun

1 a : a unit of troy weight equal to ¹⁄₁₂ troy pound or 31.103 grams b : a unit of avoirdupois weight equal to ¹⁄₁₆ avoirdupois pound or 28.350 grams
2 : fluid ounce