What is the definition for buboes?

Buboes are enlarged lymph nodes, typically in the groin, armpit, or neck, that are swollen, tender, and painful to the touch. Buboes are caused by a bacterial infection and are usually a sign of a sexually transmitted infection (STI), such as syphilis, gonorrhea, or chlamydia. In some cases, buboes can also be a sign of a more serious medical condition, such as tuberculosis or cancer.