Bubo \Bu"bo\ (b[=u]"b[-o]), n.; pl. Buboes (-b[-o]z). [LL. bubo the groin, a swelling in the groin, Gr. boubw`n.]

(Med.) An inflammation, with enlargement, of a lymphatic gland, esp. in the groin, as in syphilis.

Source: Webster's Revised Unabridged Dictionary (1913)