Definition: Rabbit is a golf side bet that gets its name from the term used to describe a pacesetter. Someone who runs out ahead of the field in a mile run, for example, is called the rabbit. They are out ahead of the pack, setting the pace.
AIDS. n. A severe immunological disorder caused by the retrovirus HIV, resulting in a defect in cell-mediated immune response that is manifested by increased susceptibility to opportunistic infections and to certain rare cancers, especially Kaposi's sarcoma.
HIV: Early signs and symptoms. HIV is a virus that attacks a person's immune system. It can weaken the immune system to the point where a person's body struggles to fight infections and disease. If left untreated, HIV can lead to the disease AIDS. AIDS stands for acquired immunodeficiency syndrome. AIDS is the final stage of HIV infection.