Definition of "lessive" [lessive]

• An adopted French name for lye: used mainly for an alkaline lye with soap, employed in washing. (noun)

The Century Dictionary (Public Domain)

• "It was unfortunate, perhaps, that we had arrived during the "lessive"; that is always a most important function in France."
• "I often went to see the performance when we made our "lessive" at the château every month."
• "As far as Daniel and Alexis are concerned, "faire la lessive" (to do the washing) and "faire sécher le linge" (drying clothes) mean, without any doubt, --- = having a jolly good time, followed by a drink and a rest!"