lupus

Concise Oxford English Dictionary © 2008 Oxford University Press:
lupus /ˈluːpəs/

▶noun

• 1 an ulcerous skin condition, especially one due to direct infection with tuberculosis.

• 2 short for lupus erythematosus.

– derivatives
lupoid adjective,
lupous adjective.

– origin C16: from L., lit. ‘wolf’.