Main Entry: ¹ounce

Pronunciation: \ˈau̇n(t)s\

Function: noun

Etymology: Middle English, from Anglo-French unce, from Latin uncia 12th part, ounce, from unus one — more at one

Date: 14th century

1 a : a unit of weight equal to ¹⁄₁₂ troy pound — see weight table b : a unit of weight equal to ¹⁄₁₆ avoirdupois pound c : a small amount <an ounce of sense>
2 : fluid ounce