us·que·baugh (ŭs'kwĭ-bô', -bä') n.
Irish & Scots Whiskey.
[Scottish Gaelic uisge beatha and Irish Gaelic uisce beatha, water of life, whiskey (translation of Medieval Latin aqua vītae) : Old Irish uisce, water; see wed-1 in Indo-European roots + Old Irish bethad, genitive of bethu, life; see gwei- in Indo-European roots.]