'Limewater' definitions:

Definition of 'limewater'

(from WordNet)
noun
Solution of calcium hydroxide in water used as an antacid

Definition of 'Limewater'

From: GCIDE
  • Limewater \Lime"wa`ter\ (l[imac]m"w[add]`t[~e]r), n. Water impregnated with lime; esp., an artificial solution of lime for medicinal purposes. [1913 Webster]