| back | a board used to support the back of someone or something |
|---|---|
| back | a raised vertical board with basket attached |
| back | a computer network that connects other computer networks |
| back | (informal) fortitude and determination |
| back | the series of vertebrae forming the axis of the skeleton and protecting the spinal cord |
| back | a central cohesive source of support and stability |
| back | characterized by toilsome effort to the point of exhaustion |
| back | light teasing repartee |
| back | scenery hung at back of stage |
| back | mate a hybrid of the first generation with one of its parents |
| back | make effective from an earlier date |
| back | a retraction of a previously held position |