[bach] 
Informal.| 1. | a bachelor. |
| 2. | New Zealand. a small weekend or vacation house or shack. |
| 3. | bach it, to live alone or share living quarters with someone of the same sex, usually doing one's own housework, cooking, laundry, etc. |
| bach also batch (bāch) n. A bachelor. intr.v. bached also batched, bach·ing also batch·ing, bach·es also batch·es To live alone and keep house as a bachelor. [Short for bachelor.] |