| 1. | toward the back. |
| 2. | Nautical. so that the wind presses against the forward side of the sail or sails. |
| 3. | (of a sail) positioned so that the wind presses against the forward side. |
| 4. | (of a yard) positioned so that its sail is laid aback. |
| 5. | taken aback, surprised and disconcerted: I was taken aback by his harsh criticism. |