joan
n. countablen. a common name for a woman. In some places, people also use it as a slang word for a toilet.
n. a female given name of Hebrew origin. In specific British dialects, it serves as a slang term for a lavatory.
Joan is coming over for dinner tonight.
The office manager, Joan, handles all the scheduling and payroll for the local branch.
While Joan remains a classic name in historical literature, its popularity as a contemporary choice for newborns has fluctuated significantly over the last century.
A clipped or hypochoristic form of Joanna, from Latin Joanna, from Koine Greek Ἰωάννα (Iōánna), from Hebrew יוֹחָנָה (Yôḥānāh, literally “God is gracious”), the feminized form of יְהוֹחָנָן (Yəhōḥānān) which produced John and its many doublets. As a placeholder name, cf. similar use of John and Jack. Doublet of Ivana, Jana, Jane, Janice, Janis, Jean, Jeanne, Jen, Joanna, Joanne, Johanna, Juana, Shavonne, Sian, Siobhan, Shane, Shaun, Shauna, and Sheena.
When used as a proper name, it is always capitalized.