backstep

Meanings

1. A step backwards
2. A regression.
3. An abrupt subsidence or change in deposition preserved in the sedimentary record due to a marine transgression.
4. Flow over a backward-facing step.
5. The process of going back and finishing a specification that was incomplete at the start of a process, once enough progress has been made to know the full details.
6. A platform at the rear of a firetruck where a firefighter can stand.

1. To take a step backwards
2. To return to a previous place or time.
3. To retract or take back.
4. To be arranged in steps going backwards.
5. To recede in an abrupt fashion due to marine transgression.
6. To finish a specification that was initially incomplete once enough progress has been made to know all the details.

Etymology

From back + step.