lye Meaning, Definition & Usage

  1. noun a strong solution of sodium or potassium hydroxide

WordNet

Lye noun
Etymology
AS. leáh; akin to D. loog, OHG. louga, G. lauge; cf. Icel. laug a bath, a hot spring.
Definitions
  1. A strong caustic alkaline solution of potassium salts, obtained by leaching wood ashes. It is much used in making soap, etc.
Lye noun
Definitions
  1. (Railroad) A short side line, connected with the main line; a turn-out; a siding. Eng.
Lye noun
Definitions
  1. A falsehood. Obs. See Lie.

Webster 1913