AZT Meaning of AZT: A drug that inhibits the human immunodeficiency virus (HIV) that causes AIDS. Also called zidovudine. Also See: Acquired pure red cell aplasia AdreView Blood Pressure Adrenal gland Agranulocytosis Anal Pap Test Acoustic neurofibromatosis Augmentin Axitinib Anal ALSO SEE: Accelerated radiation therapy