[ lav ]
/ læv /

noun Informal.

Origin of lav

by shortening

Definition for lav (2 of 3)


lymphadenopathy-associated virus.See under AIDS virus.

Origin of LAV

First recorded in 1980–85

Definition for lav (3 of 3)

AIDS virus


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. Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for lav

British Dictionary definitions for lav

/ (læv) /


British informal short for lavatory
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012