lav

noun Informal.

1. lavatory.

1. lymphadenopathy-associated virus.See under AIDS virus.

noun

1. a variable retrovirus that invades and inactivates helper T cells of the immune system and is a cause of AIDS and AIDS-related complex: variants were identified in several laboratories and independently named lymphadenopathy-associated virus (LAV), human T-cell lymphotropic virus type 3 (HTLV-3), and AIDS-related virus (ARV), the name human immunodeficiency virus (HIV) being subsequently proposed by an international taxonomy committee.

noun

1. British informal short for lavatory

n.colloquial shortening of lavatory, attested from 1913.