Lye

Lauge (from Middle High German louge , lye, lime liquor, slaked lime)

in chemistry and pharmacy an alkaline solution
in the household an aqueous solution of soap or an aqueous solution of detergent
at the bakery, the solution in which baked goods are dipped before baking, see pretzels
in salt mining, a saturated or concentrated salt solution

Lauge or Laugé is the surname of the following people:

See also:

Wiktionary: Lauge - explanations of meanings, word origins, synonyms, translations