nounEtymology: Middle English, from Old English l?ag; akin to Old High German louga lye, Latin lavare, lavere to wash, Greek loueinDate: before 12th century 1. a strong alkaline liquor rich in potassium carbonate leached from wood ashes and used especially in making soap and for washing; broadly a strong alkaline solution (as of sodium hydroxide or potassium hydroxide) 2. a solid caustic (as sodium hydroxide)
n. 1 water that has been made alkaline by lixiviation of vegetable ashes. 2 any strong alkaline solution, esp. of potassium hydroxide used for washing or cleansing. Etymology: OE leag f. Gmc: cf. LATHER
Lye Lye, n. [Written also lie and ley.] [AS. le['a]h; akin to D. loog, OHG. louga, G. lauge; cf. Icel. laug a bath, a hot spring.] A strong caustic alkaline solution of potassium salts, obtained by leaching wood ashes. It is much used in making soap, etc.