[ahv, awv] 
| the eleventh month of the Jewish calendar. |
| ab 1 (āb) n. Slang An abscess caused by injecting an illegal drug, usually heroin. |
| ab 2 (āb) n. Slang An abdominal muscle. Often used in the plural. |
| AB 1 (ā'bē') n. One of the four major blood groups in the ABO system. Individuals with this blood group have both A and B antigens on the surface of their red blood cells, and no antibodies for A and B in their blood serum. |
| Av (äv, ôv) n. The 11th month of the year in the Jewish calendar. See Table at calendar. [Mishnaic Hebrew 'āb, from Akkadian abu, a month name (July/August).] |
Ab abbr.
antibody
