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.
v. aidÂ·ed, aidÂ·ing, aids. v. tr. To provide assistance, support, or relief to: aided the researchers in their discovery; aided the prisoners' attempt to escape. v. intr. To provide assistance, support, or relief: aided in the effort to improve services to the elderly.