Meaning

noun a room or building equipped with one or more toilets

noun a plumbing fixture for defecation and urination

noun misfortune resulting in lost effort or money

originFrom Middle French toilette, diminutive of toile (“cloth”), from their use to protect clothing while shaving or arranging hair. From its use as a private room, toilet came to refer euphemistically to lavatories and then to its fixtures, beginning in the United States in the late 19th century.

Etymology from Wiktionary, CC BY-SA 3.0